6 letter words:
biotin8,
bonita8,
obtain8,
5 letter words:
about7,
baton7,
binit7,
biont7,
biota7,
nubia7,
tabun7,
tibia7,
tauon5,
4 letter words:
abut6,
bait6,
bani6,
bint6,
boat6,
bota6,
bout6,
buna6,
bunt6,
obia6,
obit6,
tabu6,
tuba6,
anti4,
aunt4,
auto4,
inia4,
inti4,
into4,
iota4,
naoi4,
nota4,
tain4,
tuna4,
unai4,
unit4,
unto4,
3 letter words:
abo5,
ban5,
bat5,
bin5,
bio5,
bit5,
boa5,
bot5,
bun5,
but5,
nab5,
nib5,
nob5,
nub5,
oba5,
obi5,
tab5,
tub5,
ain3,
ait3,
ani3,
ant3,
ion3,
nit3,
not3,
nut3,
oat3,
out3,
tan3,
tao3,
tau3,
tin3,
ton3,
tui3,
tun3,
uta3,
2 letter words:
ab4,
ba4,
bi4,
bo4,
ai2,
an2,
at2,
in2,
it2,
na2,
no2,
nu2,
oi2,
on2,
ta2,
ti2,
to2,
un2,
ut2,