6 letter words:
fatsos9,
foists9,
softas9,
tifosi9,
5 letter words:
fasti8,
fasts8,
fatso8,
fiats8,
fists8,
foist8,
fossa8,
sifts8,
sofas8,
softa8,
softs8,
assot5,
iotas5,
oasis5,
oasts5,
ossia5,
ostia5,
saist5,
satis5,
stoai5,
stoas5,
tosas5,
4 letter words:
fast7,
fats7,
fiat7,
fist7,
fits7,
foss7,
oafs7,
saft7,
sift7,
sofa7,
soft7,
aits4,
iota4,
isit4,
isos4,
itas4,
oast4,
oats4,
ossa4,
sais4,
sati4,
sist4,
sits4,
sots4,
stoa4,
tais4,
taos4,
tass4,
tosa4,
toss4,
3 letter words:
aft6,
fas6,
fat6,
fit6,
ifs6,
oaf6,
oft6,
sif6,
ais3,
ait3,
ass3,
ios3,
iso3,
ita3,
its3,
oat3,
sai3,
sat3,
sis3,
sit3,
sos3,
sot3,
tai3,
tao3,
tas3,
tis3,
2 letter words:
fa5,
if5,
of5,
ai2,
as2,
at2,
io2,
is2,
it2,
oi2,
os2,
si2,
so2,
st2,
ta2,
ti2,
to2,