5 letter words:
bento7,
beton7,
biont7,
boite7,
buteo7,
unite5,
untie5,
4 letter words:
bent6,
bine6,
bint6,
bite6,
bone6,
bout6,
bunt6,
bute6,
ebon6,
obit6,
tube6,
unbe6,
etui4,
into4,
nite4,
note4,
tine4,
tone4,
tune4,
unit4,
unto4,
3 letter words:
ben5,
bet5,
bin5,
bio5,
bit5,
bot5,
bun5,
but5,
neb5,
nib5,
nob5,
nub5,
obe5,
obi5,
tub5,
eon3,
ion3,
net3,
nit3,
not3,
nut3,
one3,
out3,
ten3,
tie3,
tin3,
toe3,
ton3,
tui3,
tun3,
ute3,
2 letter words:
be4,
bi4,
bo4,
en2,
et2,
in2,
it2,
ne2,
no2,
nu2,
oe2,
oi2,
on2,
ti2,
to2,
un2,
ut2,