more words2

scripts/build-client-lexicon.mjs

@@ -1,11 +1,15 @@
 import fs from 'node:fs';
-import { buildWordSet } from './lexicon-sources.mjs';
+import { buildWordSet, loadComboWords } from './lexicon-sources.mjs';
 
 // Build a clean, high-frequency recognized vocabulary for client-side unlimited/custom puzzles
 // (includes regional spellings and the proper-word allowlist)
 const vocabulary = buildWordSet();
 
+// Accept-only words (scripts/combo-words.txt): valid in play, never shown in solution lists
+const comboWords = [...new Set(loadComboWords())].filter(w => !vocabulary.has(w)).sort();
+
 console.log('Total vocabulary words:', vocabulary.size);
+console.log('Accept-only combo words:', comboWords.length);
 
 // Pack into space-separated string or array
 const sortedWords = [...vocabulary].sort();
@@ -15,6 +19,11 @@ const RAW_LEXICON = ${JSON.stringify(sortedWords)};
 
 export const DICTIONARY_SET = new Set(RAW_LEXICON);
 
+// Accept-only words buildable from pool tiles (generated by
+// scripts/find-missing-combo-words.mjs). Space-packed to keep the bundle small.
+const RAW_COMBO_WORDS = ${JSON.stringify(comboWords.join(' '))};
+export const COMBO_WORD_SET = new Set(RAW_COMBO_WORDS ? RAW_COMBO_WORDS.split(' ') : []);
+
 // Prefix set for lightning fast tree-pruning search (1 to 6 chars)
 export const PREFIX_SET = new Set();
 for (const word of RAW_LEXICON) {
@@ -26,6 +35,12 @@ for (const word of RAW_LEXICON) {
 export function isWordValid(word) {
   return DICTIONARY_SET.has(word.toLowerCase());
 }
+
+// Any word a player may submit: main dictionary + accept-only combo words
+export function isAcceptedWord(word) {
+  const w = word.toLowerCase();
+  return DICTIONARY_SET.has(w) || COMBO_WORD_SET.has(w);
+}
 `;
 
 fs.writeFileSync('src/data/lexicon.js', lexiconContent, 'utf8');