8 letter words:
fascitis13,
7 letter words:
fascias12,
fascist12,
casitas9,
6 letter words:
facias11,
fascia11,
fistic11,
tafias9,
casita8,
cassia8,
5 letter words:
facia10,
facts10,
fiscs10,
fasts8,
fiats8,
fists8,
sifts8,
tafia8,
casas7,
casts7,
cists7,
scats7,
assai5,
satis5,
4 letter words:
fact9,
fisc9,
fast7,
fats7,
fiat7,
fist7,
fits7,
sift7,
acta6,
acts6,
asci6,
casa6,
cast6,
cats6,
cist6,
sacs6,
scat6,
sics6,
tics6,
aits4,
sati4,
sits4,
tass4,
3 letter words:
aft6,
fas6,
fat6,
fit6,
ifs6,
act5,
cat5,
cis5,
sac5,
sic5,
tic5,
aas3,
ais3,
ait3,
ass3,
its3,
sat3,
sis3,
sit3,
tas3,
tis3,
2 letter words:
fa5,
if5,
aa2,
ai2,
as2,
at2,
is2,
it2,
si2,
ta2,
ti2,