5 letter words:
facts10,
4 letter words:
fact9,
faas7,
fast7,
fats7,
saft7,
acta6,
acts6,
caas6,
casa6,
cast6,
cats6,
scat6,
3 letter words:
aft6,
faa6,
fas6,
fat6,
act5,
caa5,
cat5,
sac5,
aas3,
sat3,
tas3,
2 letter words:
fa5,
aa2,
as2,
at2,
st2,
ta2,