5 letter words:
imaum9,
umami9,
4 letter words:
imam8,
maim8,
mama8,
amia6,
atma6,
maut6,
3 letter words:
mim7,
mum7,
umm7,
aim5,
ama5,
ami5,
amu5,
mat5,
mut5,
tam5,
ait3,
tau3,
tui3,
uta3,
2 letter words:
mm6,
am4,
ma4,
mi4,
mu4,
um4,
aa2,
ai2,
at2,
it2,
ta2,
ti2,
ut2,