Domainhacks

domainhacks.js

var fs = require('fs');

var words = fs.readFileSync('/usr/share/dict/words', {
    encoding: 'utf8'
}).split('\n');

var tlds = ['co', 'com', 'io', 'de', 'it'];

var results = [];

for (var i = 0; i < words.length; i++) {
    var wordArray = words[i].split('');
    for (var j = 0; j < tlds.length; j++) {
        var tld = tlds[j];
        var lastLetters = wordArray.slice(-tld.length).join('');
        if (lastLetters === tld) {
            wordArray.splice(-tld.length, 0, '.');
            results.push(wordArray.join(''));
        }
    }
}

console.log(results);