Pig Latin

// Pig latin
let input = 'triceratops';
const suffix = 'ay'
const vowels = ['a', 'e', 'i', 'o', 'u'];

// Step 1: Loop through the input word and print out all the letters;
// Step 2: 

function isConsonant() {
  for(let i = 0; i < input.length; i++) {
    const letters = input[i]
    console.log(letters);

// Why does this only return the first consonant, t?
    const consonant = ( letters !== 'a' || letters !==  'e' || letters !==  'i' || letters !==  'o' || letters !==  'u')

    // OR

const consonant = ! ( letters === 'a' || letters ===  'e' || letters ===  'i' || letters === 'o' || letters === 'u')

    return consonant;
  }
}
isConsonant();