Generate intelligent random words

genRandomWords.js

var genRandomWords = require("rword").rword.generate;

var mostMistypedLetter = "";
var mostMistypedCount = 0;
for (var [key, value] of result.miss) {
  if (mostMistypedCount < value) {
    mostMistypedCount = value;
    mostMistypedLetter = key;
  }
}

var firstQuery = mostMistypedLetter + ".*" + mostMistypedLetter + ".*" + mostMistypedLetter;
var secondQuery = mostMistypedLetter + ".*" + mostMistypedLetter;
var thirdQuery = mostMistypedLetter;

var newWord = genRandomWords(1, { contains: firstQuery });
if (newWord === "") {
  newWord = genRandomWords(1, { contains: secondQuery });
}
if (newWord === "") {
  newWord = genRandomWords(1, { contains: thirdQuery });
}
if (newWord === "") {
  newWord = genRandomWords(1);
}

res.json({ word: newWord });