var data = {
  
  wordlist: ['COW', 'CAT', 'DOG', 'PIG'],
  
  gameboard: [
    ['A','B','C','D','E','F'],
    ['A','B','C','D','E','F'],
    ['A','B','C','D','E','F'],
    ['A','B','C','D','E','F'],
    ['A','B','C','D','E','F'],
    ['A','B','C','D','E','F'],
  ]
  
  
}

var data = {
  
  wordlist: ['COW', 'CAT', 'DOG', 'PIG'],
  
  gameboard: [
    ['A','B','C','D','E','F'],
    ['A','B','C','D','E','F'],
    ['A','B','C','O','W','F'],
    ['A','B','A','D','E','F'],
    ['A','B','T','D','E','F'],
    ['A','B','C','D','E','F'],
  ]

}

Update data to include two words from list