5 letter words:
kombu13,
4 letter words:
tomb8,
umbo8,
bout6,
obit6,
omit6,
3 letter words:
kob9,
bum7,
kit7,
koi7,
mib7,
mob7,
bio5,
bit5,
bot5,
but5,
mot5,
mut5,
obi5,
tom5,
tub5,
out3,
tui3,
2 letter words:
ki6,
bi4,
bo4,
mi4,
mo4,
mu4,
om4,
um4,
it2,
oi2,
ti2,
to2,
ut2,