// Expanded target-word pool for Quartiles.
// Format per line: word|t1-t2-t3-t4|theme|clue
// Rules (validated in build-all-data.mjs):
//   - tiles join exactly to the word
//   - exactly 4 tiles, each >= 2 letters
//   - no repeated tile within a single word
const RAW = `
alligator|al-li-ga-tor|animals|Large reptile of southern swamps
armadillo|ar-ma-dil-lo|animals|Burrowing mammal with a bony armored shell
crocodile|cro-co-di-le|animals|Large aquatic reptile with powerful jaws
porcupine|por-cu-pi-ne|animals|Rodent covered in sharp protective quills
salamander|sa-la-man-der|animals|Lizard-like amphibian with moist skin
orangutan|or-an-gu-tan|animals|Red-haired great ape of Borneo and Sumatra
kangaroos|kan-ga-ro-os|animals|Hopping marsupials of Australia
centipede|cen-ti-pe-de|animals|Arthropod with a great many legs
tarantula|ta-ran-tu-la|animals|Large hairy spider
jellyfish|jel-ly-fi-sh|animals|Free-swimming sea creature with stinging tentacles
seahorses|sea-ho-rs-es|animals|Small upright fish with horse-like heads
nightingale|nigh-tin-ga-le|animals|Songbird famous for singing at night
rhinoceros|rhi-no-ce-ros|animals|Large horned herbivore of Africa and Asia
hippopotamus|hip-po-pota-mus|animals|Massive semi-aquatic African mammal
chimpanzee|chim-pa-nz-ee|animals|Intelligent African great ape
wolverine|wol-ve-ri-ne|animals|Fierce carnivore of northern forests
mockingbird|mock-ing-bi-rd|animals|Bird that imitates the songs of others
roadrunner|ro-ad-run-ner|animals|Fast-running desert bird
platypus|pl-at-yp-us|animals|Egg-laying mammal with a duck-like bill
scorpions|sc-or-pi-ons|animals|Arachnids with a venomous curved tail
octopuses|oc-to-pu-ses|animals|Eight-armed sea creatures
barracuda|bar-ra-cu-da|animals|Predatory fish with fang-like teeth
cockroaches|cock-ro-ach-es|animals|Hardy scuttling household insects
cappuccino|cap-pu-cci-no|food|Espresso topped with frothy milk
spaghetti|sp-ag-het-ti|food|Long thin strands of pasta
macaroni|ma-ca-ro-ni|food|Small tube-shaped pasta
broccoli|br-oc-co-li|food|Green vegetable with tree-like florets
pineapple|pi-ne-ap-ple|food|Tropical fruit with spiky skin
watermelon|wa-ter-mel-on|food|Large juicy summer fruit with a green rind
pomegranate|pom-egr-an-ate|food|Fruit packed with juicy red seeds
chocolate|cho-co-la-te|food|Sweet treat made from roasted cacao
cinnamon|ci-nn-am-on|food|Warm spice made from tree bark
blackberry|bla-ckb-er-ry|food|Dark bramble fruit
raspberry|ras-pb-er-ry|food|Soft red berry with a hollow core
tangerine|tan-ge-ri-ne|food|Small, easy-to-peel citrus fruit
mozzarella|moz-za-rel-la|food|Soft white Italian cheese
guacamole|gua-ca-mo-le|food|Avocado-based Mexican dip
margarine|mar-ga-ri-ne|food|Butter substitute made from vegetable oils
casserole|cas-se-ro-le|food|Dish slow-cooked in the oven
croissant|cr-ois-sa-nt|food|Flaky crescent-shaped French pastry
hamburger|ham-bu-rg-er|food|Ground beef patty served in a bun
pancakes|pa-nc-ak-es|food|Flat breakfast cakes cooked on a griddle
marmalade|mar-ma-la-de|food|Citrus fruit preserve
butterscotch|but-ters-cot-ch|food|Candy made from brown sugar and butter
lemonade|le-mo-na-de|food|Sweetened drink made with lemon juice
peppercorn|pep-per-co-rn|food|Dried berry ground into black pepper
artichoke|ar-ti-cho-ke|food|Edible thistle flower bud
asparagus|as-pa-ra-gus|food|Spring vegetable with tender green spears
cauliflower|cau-li-flo-wer|food|White-headed cabbage-family vegetable
vegetables|ve-ge-ta-bles|food|Edible plants or plant parts
dumplings|dum-pl-in-gs|food|Small balls of dough, often filled
meatballs|me-at-ba-lls|food|Rolled balls of seasoned ground meat
honeycomb|ho-ney-co-mb|food|Wax structure where bees store honey
cheeseburger|chee-se-bur-ger|food|Hamburger topped with melted cheese
sauerkraut|sau-er-kra-ut|food|Finely cut fermented cabbage
breakfast|bre-ak-fa-st|food|The first meal of the day
basketball|bas-ket-ba-ll|sports|Game of shooting a ball through a hoop
volleyball|vol-ley-ba-ll|sports|Game of hitting a ball over a high net
badminton|bad-mi-nt-on|sports|Racket sport played with a shuttlecock
gymnastics|gym-nas-ti-cs|sports|Sport of balance, strength, and flips
skateboard|ska-te-bo-ard|sports|Wheeled board ridden for tricks
snowboarding|snow-boar-di-ng|sports|Sliding down snowy slopes on one board
marathon|ma-ra-th-on|sports|Long-distance running race
wrestling|wre-st-li-ng|sports|Grappling sport of pins and holds
lacrosse|la-cr-os-se|sports|Field sport played with netted sticks
tournament|tour-na-me-nt|sports|A series of contests to find a champion
crossword|cro-ss-wo-rd|games|Grid puzzle solved from clues
backgammon|ba-ckg-am-mon|games|Ancient board game of dice and checkers
dominoes|do-mi-no-es|games|Game of matching spotted tiles
trampoline|tram-po-li-ne|sports|Springy mat for bouncing
goalkeeper|goal-ke-ep-er|sports|Player who guards the net
swimming|sw-im-mi-ng|sports|Moving through water using limbs
surfboard|su-rf-bo-ard|sports|Board used for riding waves
racquetball|rac-quet-ba-ll|sports|Fast indoor racket sport
scoreboard|sco-re-bo-ard|sports|Large display showing a game's points
touchdown|to-uch-do-wn|sports|Six-point score in American football
cartwheel|ca-rt-whe-el|sports|Sideways handspring with arms and legs extended
hopscotch|hop-sc-ot-ch|games|Playground hopping game drawn in chalk
checkmate|che-ck-ma-te|games|Winning position in chess
astronaut|as-tro-na-ut|jobs|Person trained to travel into space
carpenter|ca-rp-en-ter|jobs|Person who builds things from wood
electrician|elec-tri-ci-an|jobs|Person who installs and repairs wiring
firefighter|fire-fig-ht-er|jobs|Person who puts out fires
journalist|jour-na-li-st|jobs|Person who writes news stories
librarian|li-bra-ri-an|jobs|Person who manages a collection of books
magician|ma-gi-ci-an|jobs|Performer of illusions and tricks
mechanic|me-ch-an-ic|jobs|Person who repairs engines
musician|mu-si-ci-an|jobs|Person who plays music
pharmacist|phar-ma-ci-st|jobs|Person who prepares medicines
photographer|pho-to-gra-pher|jobs|Person who takes pictures
professor|pr-of-ess-or|jobs|University teacher of the highest rank
scientist|sci-en-ti-st|jobs|Person who studies the natural world
detective|de-tec-ti-ve|jobs|Person who investigates crimes
architect|ar-chi-te-ct|jobs|Person who designs buildings
veterinarian|vet-eri-nar-ian|jobs|Doctor for animals
lifeguard|li-fe-gu-ard|jobs|Person who watches over swimmers
gardener|ga-rd-en-er|jobs|Person who tends plants
lumberjack|lum-ber-ja-ck|jobs|Person who fells trees
accountant|ac-cou-nt-ant|jobs|Person who keeps financial accounts
translator|tra-ns-la-tor|jobs|Person who converts text between languages
programmer|pro-gr-am-mer|jobs|Person who writes computer code
babysitter|ba-by-sit-ter|jobs|Person who looks after children
umbrella|um-br-el-la|home|Folding canopy that keeps off rain
telephone|te-le-pho-ne|home|Device for talking over a distance
television|te-le-vi-sion|home|Screen for watching broadcast shows
refrigerator|re-fri-ger-ator|home|Appliance that keeps food cold
dishwasher|dish-wa-sh-er|home|Appliance that cleans plates
microwave|mi-cro-wa-ve|home|Oven that heats food quickly
calculator|cal-cu-la-tor|home|Device for doing arithmetic
binoculars|bi-no-cu-lars|home|Two-lensed device for seeing far away
thermostat|ther-mo-st-at|home|Device that regulates temperature
wheelbarrow|whe-el-bar-row|home|One-wheeled cart for hauling loads
lawnmower|la-wn-mow-er|home|Machine for cutting grass
flashlight|fla-sh-lig-ht|home|Portable battery-powered light
toothbrush|too-th-br-ush|home|Small brush for cleaning teeth
pillowcase|pil-low-ca-se|home|Removable cover for a pillow
wardrobe|wa-rd-ro-be|home|Tall cabinet for hanging clothes
bookshelf|bo-ok-sh-elf|home|Shelf for holding books
chandelier|chan-de-li-er|home|Decorative hanging light fixture
typewriter|ty-pe-wri-ter|home|Mechanical machine for typing
paperclip|pa-per-cl-ip|home|Bent wire for holding sheets together
scissors|sc-is-so-rs|home|Two-bladed cutting tool
envelope|en-ve-lo-pe|home|Paper sleeve for mailing letters
suitcase|su-it-ca-se|home|Case for carrying clothes when traveling
candlelight|can-dle-li-ght|home|Soft glow from a burning wick
fireplace|fi-re-pla-ce|home|Hearth for an indoor fire
staircase|sta-ir-ca-se|home|Set of steps between floors
doorbell|do-or-be-ll|home|Button that chimes when visitors arrive
windowsill|win-dow-si-ll|home|Ledge at the bottom of a window
furniture|fur-ni-tu-re|home|Chairs, tables, beds, and the like
cupboard|cu-pb-oa-rd|home|Cabinet with shelves and doors
headphones|hea-dp-ho-nes|tech|Speakers worn over the ears
keyboard|ke-yb-oa-rd|tech|Panel of keys for typing
computer|co-mp-ut-er|tech|Electronic machine that processes data
smartphone|sma-rt-pho-ne|tech|Pocket-sized phone with apps
spreadsheet|spr-ead-she-et|tech|Grid of cells for calculations
password|pa-ss-wo-rd|tech|Secret word for logging in
algorithm|al-go-ri-thm|tech|Step-by-step procedure for solving a problem
satellite|sa-tel-li-te|tech|Object orbiting a planet
batteries|bat-te-ri-es|tech|Cells that store electrical energy
robotics|ro-bo-ti-cs|tech|Engineering of automated machines
database|da-ta-ba-se|tech|Organized store of information
software|so-ft-wa-re|tech|Programs that run on a computer
hardware|ha-rd-wa-re|tech|Physical parts of a computer
internet|in-te-rn-et|tech|Global network of computers
download|do-wn-lo-ad|tech|Copy a file from the web
wireless|wi-re-le-ss|tech|Without cables
microphone|mi-cro-pho-ne|tech|Device that picks up sound
avalanche|av-al-an-che|nature|Mass of snow rushing down a mountain
hurricane|hur-ri-ca-ne|nature|Powerful tropical storm
earthquake|ear-th-qua-ke|nature|Sudden shaking of the ground
tornadoes|tor-na-do-es|nature|Violently rotating columns of air
landscape|la-nd-sc-ape|nature|All the visible features of an area of land
mountains|mou-nt-ai-ns|nature|Very high natural elevations of land
peninsula|pe-nin-su-la|nature|Land almost surrounded by water
archipelago|ar-chi-pel-ago|nature|Group of islands
riverbank|ri-ver-ba-nk|nature|Land along the edge of a river
sandstone|sa-nd-sto-ne|nature|Rock formed from compressed sand
limestone|li-me-sto-ne|nature|Rock formed from ancient shells
grassland|gra-ss-la-nd|nature|Large open area covered in grass
moonlight|mo-on-li-ght|nature|Light reflected from the moon
sunshine|su-ns-hi-ne|nature|Direct light from the sun
starlight|st-ar-li-ght|nature|Light from distant stars
rainbows|ra-in-bo-ws|nature|Arcs of color after rain
snowflake|sn-ow-fla-ke|nature|Single ice crystal falling from the sky
lightning|li-ght-ni-ng|nature|Flash of electricity in a storm
blizzard|bl-iz-za-rd|nature|Severe snowstorm with strong winds
continent|con-ti-ne-nt|nature|One of Earth's large landmasses
countryside|coun-try-si-de|nature|Rural land outside towns
coastline|coa-st-li-ne|nature|Where land meets the sea
wildflower|wi-ld-flow-er|nature|Flower growing without cultivation
butterfly|bu-tt-er-fly|nature|Insect with large colorful wings
mushrooms|mu-sh-ro-oms|nature|Fungi with caps and stems
seashells|sea-sh-el-ls|nature|Shells found on the beach
driftwood|dri-ft-wo-od|nature|Wood washed ashore by water
happiness|hap-pi-ne-ss|emotion|State of being glad
excitement|ex-ci-te-ment|emotion|Feeling of great eagerness
confidence|con-fi-den-ce|emotion|Belief in one's own abilities
gratitude|gra-ti-tu-de|emotion|Feeling of thankfulness
kindness|ki-nd-ne-ss|emotion|Quality of being friendly and caring
curiosity|cu-ri-osi-ty|emotion|Strong desire to know or learn
enthusiasm|en-thu-si-asm|emotion|Intense enjoyment and interest
patience|pa-ti-en-ce|emotion|Ability to wait calmly
loneliness|lo-ne-li-ness|emotion|Sadness from being alone
nostalgia|no-st-al-gia|emotion|Wistful longing for the past
optimistic|op-ti-mis-tic|emotion|Hopeful about the future
wonderful|won-de-rf-ul|emotion|Inspiring delight
beautiful|be-au-ti-ful|emotion|Pleasing to the senses
delightful|de-li-ght-ful|emotion|Causing great pleasure
fantastic|fan-ta-st-ic|emotion|Extraordinarily good
generous|ge-ne-ro-us|emotion|Freely giving
cheerful|ch-ee-rf-ul|emotion|Noticeably happy
peaceful|pe-ac-ef-ul|emotion|Free from disturbance
mischievous|mis-chie-vo-us|emotion|Playfully causing trouble
hilarious|hi-la-ri-ous|emotion|Extremely funny
ambitious|am-bi-ti-ous|emotion|Strongly driven to succeed
fearless|fe-ar-le-ss|emotion|Lacking fear; bold
friendliness|fri-end-li-ness|emotion|Quality of being warm toward others
forgiveness|for-gi-ve-ness|emotion|Act of pardoning a wrong
compassion|com-pas-si-on|emotion|Sympathy for the suffering of others
serendipity|ser-en-dip-ity|emotion|Happy accident or lucky discovery
celebrate|ce-le-bra-te|emotion|Mark a happy occasion
passport|pa-ss-po-rt|travel|Document for crossing borders
lighthouse|li-ght-hou-se|travel|Tower with a guiding light for ships
submarine|sub-ma-ri-ne|travel|Vessel that travels underwater
sailboat|sa-il-bo-at|travel|Boat propelled by wind
destination|des-ti-na-tion|travel|Place one is traveling to
vacation|va-ca-ti-on|travel|Time off for rest or travel
itinerary|iti-ne-ra-ry|travel|Planned route of a journey
souvenir|so-uv-en-ir|travel|Keepsake from a trip
adventure|ad-ven-tu-re|travel|Exciting or daring experience
expedition|ex-pe-di-tion|travel|Journey with a purpose
railroad|ra-il-ro-ad|travel|Track for trains
motorway|mo-to-rw-ay|travel|Major high-speed road
crossroads|cro-ss-ro-ads|travel|Where two roads meet
campground|camp-gr-ou-nd|travel|Area for pitching tents
hitchhiker|hit-ch-hi-ker|travel|Person traveling by free rides
cathedral|ca-the-dr-al|places|Principal church of a diocese
monastery|mo-nas-te-ry|places|Home of a community of monks
observatory|ob-ser-va-tory|places|Building with telescopes for stargazing
playground|play-gr-ou-nd|places|Outdoor area for children to play
marketplace|mar-ket-pla-ce|places|Open area where goods are sold
restaurant|res-tau-ra-nt|places|Place where meals are served
supermarket|su-per-mar-ket|places|Large self-service grocery store
university|uni-ver-si-ty|places|Institution of higher learning
classroom|cl-ass-ro-om|places|Room where lessons are taught
apartment|apa-rt-me-nt|places|Set of rooms for living in
courthouse|co-ur-tho-use|places|Building where trials are held
greenhouse|gre-en-hou-se|places|Glass building for growing plants
warehouse|wa-re-hou-se|places|Large building for storing goods
farmhouse|fa-rm-hou-se|places|Main house on a farm
hospital|ho-sp-it-al|places|Place where the sick are treated
aquarium|aq-ua-ri-um|places|Tank or building housing aquatic life
orchestra|or-che-st-ra|arts|Large group of instrumental musicians
saxophone|sax-op-ho-ne|arts|Brass-bodied reed instrument used in jazz
xylophone|xy-lo-pho-ne|arts|Instrument of wooden bars struck with mallets
harmonica|har-mo-ni-ca|arts|Small mouth organ
accordion|ac-cor-di-on|arts|Squeezebox instrument with bellows
clarinet|cl-ar-in-et|arts|Woodwind with a single reed
trombone|tr-om-bo-ne|arts|Brass instrument with a slide
tambourine|tam-bou-ri-ne|arts|Hand drum with jingling discs
violinist|vi-ol-in-ist|arts|Person who plays the violin
melodious|me-lo-di-ous|arts|Pleasant-sounding; tuneful
painting|pa-in-ti-ng|arts|Picture made with paint
sculpture|scu-lp-tu-re|arts|Art made by carving or modeling
portrait|po-rt-ra-it|arts|Painting or photo of a person
animation|ani-ma-ti-on|arts|Technique of making drawings appear to move
cartoonist|car-to-on-ist|arts|Person who draws comics
storyteller|sto-ry-tel-ler|arts|Person who tells tales
novelist|no-ve-li-st|arts|Writer of novels
illustrator|il-lus-tra-tor|arts|Person who draws pictures for books
soundtrack|so-und-tra-ck|arts|Music accompanying a film
spotlight|spo-tl-ig-ht|arts|Strong beam of light on a performer
ballerina|bal-le-ri-na|arts|Female ballet dancer
symphony|sy-mp-ho-ny|arts|Elaborate composition for orchestra
masquerade|mas-que-ra-de|arts|Party where guests wear masks
dinosaur|di-no-sa-ur|history|Extinct prehistoric reptile
pyramids|py-ra-mi-ds|history|Ancient Egyptian monumental tombs
gladiator|gla-di-at-or|history|Roman arena fighter
knighthood|kni-ght-ho-od|history|Rank or status of a knight
wizardry|wi-za-rd-ry|fantasy|The art of magic
treasure|tr-ea-su-re|fantasy|Hoard of valuable riches
shipwreck|sh-ip-wre-ck|history|Destruction of a ship at sea
labyrinth|la-by-rin-th|fantasy|Complicated maze
mythology|my-tho-lo-gy|fantasy|Collection of traditional myths
legendary|le-gen-da-ry|fantasy|Famous; described in legends
invisible|in-vi-si-ble|fantasy|Unable to be seen
werewolf|we-re-wo-lf|fantasy|Person who turns into a wolf
vampires|va-mp-ir-es|fantasy|Blood-drinking creatures of legend
revolution|re-vo-lu-tion|history|Forcible overthrow of a government
independence|in-de-pen-dence|history|Freedom from outside control
democracy|de-mo-cra-cy|history|Government by the people
parliament|par-lia-me-nt|history|Legislative assembly
ambassador|am-bas-sa-dor|history|Diplomat representing a country abroad
president|pre-si-de-nt|history|Elected head of a republic
government|go-ver-nm-ent|history|Body that governs a nation
constitution|con-sti-tu-tion|history|Founding legal document of a nation
afternoon|af-ter-no-on|everyday|Time between noon and evening
yesterday|yes-te-rd-ay|everyday|The day before today
tomorrow|to-mo-rr-ow|everyday|The day after today
calendar|ca-le-nd-ar|everyday|Chart of days and months
everything|ev-ery-thi-ng|everyday|All things
somewhere|so-me-whe-re|everyday|In or to some place
basement|ba-se-me-nt|everyday|Floor below ground level
newspaper|ne-ws-pa-per|everyday|Daily printed news publication
magazine|ma-ga-zi-ne|everyday|Periodical with articles and photos
alphabet|al-ph-ab-et|education|Set of letters of a language
vocabulary|vo-ca-bu-lary|education|Body of words a person knows
homework|ho-me-wo-rk|education|Schoolwork done at home
notebook|no-te-bo-ok|education|Book of blank pages for notes
paintbrush|pa-int-bru-sh|education|Brush for applying paint
handwriting|hand-wri-ti-ng|education|Writing done by hand
spelling|sp-el-li-ng|education|Forming words from letters correctly
mathematics|ma-the-mat-ics|education|Science of numbers and shapes
geography|ge-og-ra-phy|education|Study of Earth's features
chemistry|che-mi-st-ry|education|Science of substances and reactions
experiment|ex-pe-ri-ment|science|Scientific test of a hypothesis
discovery|di-sco-ve-ry|science|Act of finding something new
invention|in-ven-ti-on|science|Something newly created
skeleton|sk-el-et-on|science|Framework of bones
vitamins|vi-ta-mi-ns|health|Nutrients needed in small amounts
medicine|me-di-ci-ne|health|Substance used to treat illness
bandages|ba-nd-ag-es|health|Strips of material for wounds
ambulance|am-bu-la-nce|health|Vehicle for emergency patients
heartbeat|hea-rt-be-at|health|Pulse of the heart
exercise|ex-er-ci-se|health|Physical activity for fitness
meditation|me-di-ta-tion|health|Practice of focused calm reflection
relaxation|re-la-xa-tion|health|State of being free from tension
`;

export const extraWords = RAW.trim()
  .split('\n')
  .map(line => line.trim())
  .filter(Boolean)
  .map(line => {
    const [word, tiles, theme, clue] = line.split('|');
    return { word, tiles: tiles.split('-'), theme, clue };
  });