5 letter words:
abaft10,
bafts10,
basta7,
4 letter words:
baft9,
fabs9,
faas7,
fast7,
fats7,
saft7,
abas6,
baas6,
bast6,
bats6,
stab6,
tabs6,
3 letter words:
fab8,
aft6,
faa6,
fas6,
fat6,
aba5,
abs5,
baa5,
bas5,
bat5,
sab5,
tab5,
aas3,
sat3,
tas3,
2 letter words:
fa5,
ab4,
ba4,
aa2,
as2,
at2,
st2,
ta2,