5 letter words:
bantu7,
tabun7,
4 letter words:
abut6,
bant6,
buat6,
buna6,
bunt6,
tabu6,
tuba6,
aunt4,
tuan4,
tuna4,
unau4,
3 letter words:
ban5,
bat5,
bun5,
but5,
nab5,
nub5,
tab5,
tub5,
ant3,
nat3,
nut3,
tan3,
tau3,
tun3,
uta3,
utu3,
2 letter words:
ab4,
ba4,
an2,
at2,
na2,
nu2,
ta2,
un2,
ut2,