japaname.js

'use strict';

var Translator = function() {
    this.dict = 'ka,tu,mi,te,ku,lu,ji,ri,ki,zu,me,ta,rin,to,mo,no,ke,shi,ari,chi,do,ru,na,mei,fu,ra'.split(',');
};

Translator.prototype.parse = function(str) {
    var that = this;
    return str.split('').reduce(function(r, c) {
        var chr = c.toLowerCase().charCodeAt(0) - 97;
        return r + (that.dict[chr] || ' ');
    }, '');
}

if (process.argv.length != 3) {
    console.log('Use: node japaname.js yourname');
    process.exit();
}

console.log((new Translator()).parse(process.argv[2]));