7 letter words:
fastish13,
6 letter words:
faiths12,
shafts12,
shifts12,
saiths9,
5 letter words:
faith11,
hafts11,
shaft11,
shift11,
fasti8,
fasts8,
fiats8,
fists8,
hists8,
saith8,
shist8,
shits8,
sifts8,
stash8,
taish8,
saist5,
satis5,
4 letter words:
fahs10,
fash10,
fish10,
haft10,
ahis7,
fast7,
fats7,
fiat7,
fist7,
fits7,
hast7,
hats7,
hiss7,
hist7,
hits7,
saft7,
sash7,
shat7,
shit7,
sift7,
sith7,
tash7,
this7,
aits4,
itas4,
sais4,
sati4,
sist4,
sits4,
tais4,
tass4,
3 letter words:
fah9,
aft6,
ahi6,
ahs6,
ash6,
fas6,
fat6,
fit6,
has6,
hat6,
his6,
hit6,
ifs6,
ish6,
sha6,
sif6,
ais3,
ait3,
ass3,
ita3,
its3,
sai3,
sat3,
sis3,
sit3,
tai3,
tas3,
tis3,
2 letter words:
ah5,
fa5,
ha5,
hi5,
if5,
sh5,
ai2,
as2,
at2,
is2,
it2,
si2,
st2,
ta2,
ti2,