6 letter words:
strict8,
5 letter words:
cists7,
crits7,
ritts5,
stirs5,
trist5,
4 letter words:
cist6,
cits6,
cris6,
crit6,
sics6,
tics6,
rits4,
ritt4,
sirs4,
sist4,
sits4,
sris4,
stir4,
tits4,
3 letter words:
cis5,
cit5,
sic5,
tic5,
its3,
rit3,
sir3,
sis3,
sit3,
sri3,
tis3,
tit3,
2 letter words:
is2,
it2,
si2,
st2,
ti2,