5 letter words using only u as a vowel July 8, 2019 16 32 64 128 5 letter words with only u as a vowel 5 letter words containing only u as a vowel 5 letter words with only u as a vowel in them 5 letter words with only u as a vowel in the middle 5 letter words with only u as vowels 5 letter words with only u and y as a vowel