5 слов из 5 букв

const fs = require("fs"); const path = require("path");  const OUTFILE = process.argv.includes("--output")   ? process.argv[process.argv.indexOf("--output") + 1]   : "groups.csv"; const MAX_GROUPS = process.argv.includes("--max")   ? parseInt(process.argv[process.argv.indexOf("--max") + 1], 10)   : 0; const PROGRESS_EVERY = process.argv.includes("--progressEvery")   ? parseInt(process.argv[process.argv.indexOf("--progressEvery") + 1], 10)   : 200;  function uniqCount5(s) {   return new Set(s).size === 5; }  function buildMasks(words) {   const charIndex = new Map();   let next = 0;   const masks = [];   for (let w of words) {     let m = 0n;     for (let ch of w) {       let id = charIndex.get(ch);       if (id === undefined) {         id = next++;         charIndex.set(ch, id);       }       m |= 1n << BigInt(id);     }     masks.push(m);   }   return masks; }  function popcntBigInt(bn) {   let c = 0n;   while (bn) { bn &= (bn - 1n); c++; }   return c; }  const wordsPath = path.resolve("words.json"); let words = JSON.parse(fs.readFileSync(wordsPath, "utf8"))   .map(w => String(w).trim().toLowerCase())   .filter(w => w.length === 5 && uniqCount5(w));  const N = words.length; console.log(`Слов с 5 уникальными буквами: ${N}`);  const masks = buildMasks(words);  // совместимость — соседи только с бОльшими индексами const neighbors = Array.from({ length: N }, () => []); for (let i = 0; i < N; i++) {   for (let j = i + 1; j < N; j++) {     if ((masks[i] & masks[j]) === 0n) neighbors[i].push(j);   } }  const out = fs.createWriteStream(OUTFILE, { encoding: "utf8" }); out.write("word1,word2,word3,word4,word5\n");  let found = 0; let buf = []; const started = Date.now();  function flushBuf() {   if (buf.length === 0) return true;   const ok = out.write(buf.join(""));   buf = [];   return ok; }  function printProgress(i) {   const elapsed = ((Date.now() - started) / 1000).toFixed(1);   const pct = ((i / Math.max(1, N - 5)) * 100).toFixed(2);   process.stdout.write(`\rПрогресс i: ${i}/${N - 5} (${pct}%), найдено: ${found}, время: ${elapsed}s`); }  (async () => {   const mark = new Uint8Array(N);    outer: for (let i = 0; i <= N - 5; i++) {     const ni = neighbors[i];     if (ni.length < 4) { if (i % PROGRESS_EVERY === 0) printProgress(i); continue; }      for (const v of ni) mark[v] = 1;     for (const j of ni) {       const candK = [];       for (const v of neighbors[j]) if (v > j && mark[v]) candK.push(v);       if (candK.length < 3) continue;       for (const v of candK) mark[v] = 2;        for (const k of candK) {         const candL = [];         for (const v of neighbors[k]) if (v > k && mark[v] === 2) candL.push(v);         if (candL.length < 2) continue;         for (const v of candL) mark[v] = 3;          for (const l of candL) {           const candM = [];           for (const v of neighbors[l]) if (v > l && mark[v] === 3) candM.push(v);           for (const m of candM) {             const u = masks[i] | masks[j] | masks[k] | masks[l] | masks[m];             if (popcntBigInt(u) !== 25n) continue;              buf.push(`${words[i]},${words[j]},${words[k]},${words[l]},${words[m]}\n`);             found++;             if (buf.length >= 1000) {               if (!flushBuf()) await new Promise(res => out.once("drain", res));             }             if (MAX_GROUPS && found >= MAX_GROUPS) break outer;           }         }          for (const v of candL) mark[v] = 2;       }       for (const v of candK) mark[v] = 1;     }     for (const v of ni) mark[v] = 0;      if (i % PROGRESS_EVERY === 0) printProgress(i);   }    flushBuf();   await new Promise(res => out.end(res));   printProgress(N - 5);   const dt = ((Date.now() - started) / 1000).toFixed(1);   console.log(`\nГотово. Найдено групп: ${found}. Время: ${dt}s. Файл: ${OUTFILE}`); })(); 

Консольные команды я не просил и не использовал, но скрипт какой получил, такой и оставил.