6 letter words:
nobbut10,
4 letter words:
bubo8,
boun6,
bout6,
bunt6,
nout4,
toun4,
unto4,
3 letter words:
bob7,
bub7,
bon5,
bot5,
bun5,
but5,
nob5,
nub5,
tub5,
not3,
nut3,
out3,
ton3,
tun3,
2 letter words:
bo4,
ob4,
no2,
nu2,
on2,
ou2,
to2,
un2,
ut2,
