5 letter words:
fasts8,
antas5,
sansa5,
sants5,
tanas5,
4 letter words:
faan7,
faas7,
fans7,
fast7,
fats7,
saft7,
anas4,
ansa4,
anta4,
ants4,
nats4,
sans4,
sant4,
tana4,
tans4,
tass4,
3 letter words:
aft6,
faa6,
fan6,
fas6,
fat6,
aas3,
ana3,
ant3,
ass3,
nas3,
nat3,
san3,
sat3,
tan3,
tas3,
2 letter words:
fa5,
aa2,
an2,
as2,
at2,
na2,
st2,
ta2,