6 letter words:
cystic13,
5 letter words:
cisco9,
stoic7,
4 letter words:
city9,
cosy9,
coys9,
cyst9,
toys7,
cist6,
cost6,
cots6,
otic6,
scot6,
tics6,
3 letter words:
coy8,
icy8,
soy6,
sty6,
toy6,
cis5,
cos5,
cot5,
sic5,
tic5,
its3,
sit3,
sot3,
tis3,
2 letter words:
oy5,
yo5,
is2,
it2,
oi2,
os2,
si2,
so2,
ti2,
to2,