5 letter word with only o as a vowel July 8, 2019 16 32 64 128 5 letter word with only one o as a vowel 5 letter word with only o and e as vowels 5 letter word containing only o as vowel 5 letter word with only o and u vowels 5 letter word with only vowels o and y 5 letter word with o as second letter and only vowel