converts a snowflake into a hastebin-like token

hasteflake.js

const data = [
  "12345",
  "12346",
  "22346",
  "21345"
]

const output = [];

const consonants = [
  'b', 'c', 'd', 'f', 'g', 'h', 'j', 'k', 'l', 'm', 'n', 'p', 'q', 'r', 's', 't', 'v', 'w', 'x', 'z'
];
const vowels = [
  'a', 'e', 'i', 'o', 'u', 'y'
];

for (const id of data) {
  const parts = id.split('').map(Number);
  let flake = [];
  for (let i = 0; i < parts.length; i++) {
    if (i % 2 === 0) {
      // consonant
      let seed;
      if (i === 0) seed = parts[i] + parts[i + 1];
      else seed = parts[i] + parts[i - 1];
      seed = seed % consonants.length;
      flake.push(consonants[seed]);
    } else {
      // vowel
      let seed = (parts[i] + parts[i - 1]) % vowels.length;
      flake.push(vowels[seed]);
    }
  }
  output.push(flake.join(''));
}

console.log(output.map((o, i) => data[i].padStart(22, ' ') + ' => ' + o).join('\n'));
/*
                 12345 => fohem
                 12346 => fohen
                 22346 => guhen
                 21345 => fogem
*/