Scrabble Word Finder: American  Scrabble Dictionary
(Pattern="", Letters="aaaaeeeeiiiioooouuuuyyyy", Min. Letters=0, Match=Anywhere in word, Advanced Search, Sort=By Length)
 
15 words found... 
3: 
aye, 
eau, 
eye, 
yay, 
yea, 
you
2: 
aa, 
ae, 
ai, 
ay, 
oe, 
oi, 
oy, 
ya, 
ye