4 letter words:
migg8,
mugg8,
mumu8,
mitt6,
muti6,
mutt6,
tutu4,
3 letter words:
mim7,
mum7,
umm7,
gum6,
mig6,
mug6,
gig5,
igg5,
mut5,
tum5,
umu5,
git4,
gut4,
tig4,
tug4,
tit3,
tui3,
tut3,
utu3,
2 letter words:
mm6,
mi4,
mu4,
um4,
gi3,
gu3,
ug3,
it2,
ti2,
ut2,