5 letter words:
fanos8,
fatso8,
fonts8,
softa8,
santo5,
4 letter words:
fano7,
fans7,
fast7,
fats7,
fons7,
font7,
oafs7,
saft7,
sofa7,
soft7,
ants4,
naos4,
nats4,
nota4,
oast4,
oats4,
onst4,
sant4,
snot4,
stoa4,
tans4,
taos4,
tons4,
tosa4,
3 letter words:
aft6,
fan6,
fas6,
fat6,
fon6,
oaf6,
oft6,
ant3,
nas3,
nat3,
nos3,
not3,
oat3,
ons3,
san3,
sat3,
son3,
sot3,
tan3,
tao3,
tas3,
ton3,
2 letter words:
fa5,
of5,
an2,
as2,
at2,
na2,
no2,
on2,
os2,
so2,
st2,
ta2,
to2,