4 letter words:
acts6,
asci6,
cast6,
cats6,
cist6,
cits6,
saic6,
scat6,
tics6,
aits4,
itas4,
sati4,
tais4,
3 letter words:
act5,
cat5,
cis5,
cit5,
sac5,
sic5,
tic5,
ais3,
ait3,
ita3,
its3,
sai3,
sat3,
sit3,
tai3,
tas3,
tis3,
2 letter words:
ai2,
as2,
at2,
is2,
it2,
si2,
st2,
ta2,
ti2,