5 letter words:
biota7,
4 letter words:
baft9,
fiat7,
bait6,
bito6,
boat6,
bota6,
obia6,
obit6,
tabi6,
iota4,
3 letter words:
fab8,
fib8,
fob8,
aft6,
fat6,
fit6,
oaf6,
oft6,
abo5,
bat5,
bio5,
bit5,
boa5,
boi5,
bot5,
oba5,
obi5,
tab5,
ait3,
ita3,
oat3,
tai3,
tao3,
2 letter words:
fa5,
if5,
of5,
ab4,
ba4,
bi4,
bo4,
ob4,
ai2,
at2,
io2,
it2,
oi2,
ta2,
ti2,
to2,