Improved word list

removed words that should be capitalized like 'French' and 'Friday'
removed words that may result in offense combinations
removed words that share a 4 letter prefix with another list word
removed words that are indistinguishable when spoken like 'aunt' and 'ant'
removed words that spell another list word when a letter is omitted like 'grain' and 'gain'
removed words that spell another list word when letters are transposed like 'diary' and 'dairy'