5 letter words:
abaft10,
tafia8,
4 letter words:
fiat7,
tufa7,
abut6,
bait6,
tabu6,
tuba6,
3 letter words:
fab8,
fib8,
fub8,
aft6,
fat6,
fit6,
aba5,
baa5,
bat5,
bit5,
but5,
tab5,
tub5,
ait3,
tau3,
tui3,
uta3,
2 letter words:
fa5,
if5,
ab4,
ba4,
bi4,
aa2,
ai2,
at2,
it2,
ta2,
ti2,
ut2,