5 letter words:
abaft10,
about7,
4 letter words:
tofu7,
tufa7,
abut6,
boat6,
bota6,
bout6,
tabu6,
tuba6,
auto4,
3 letter words:
fab8,
fob8,
fub8,
aft6,
fat6,
fou6,
oaf6,
oft6,
aba5,
abo5,
baa5,
bat5,
boa5,
bot5,
but5,
oba5,
tab5,
tub5,
oat3,
out3,
tao3,
tau3,
uta3,
2 letter words:
fa5,
of5,
ab4,
ba4,
bo4,
aa2,
at2,
ta2,
to2,
ut2,