7 letter words:
sycosis12,
5 letter words:
cissy10,
sissy8,
4 letter words:
cosy9,
coys9,
soys7,
coss6,
sics6,
socs6,
isos4,
siss4,
soss4,
3 letter words:
coy8,
icy8,
oys6,
soy6,
yos6,
cis5,
cos5,
sic5,
soc5,
ios3,
iso3,
sis3,
sos3,
2 letter words:
oy5,
yo5,
io2,
is2,
oi2,
os2,
si2,
so2,