5 letter words:
stogy9,
4 letter words:
cosy9,
coys9,
cyst9,
goys8,
cogs7,
toys7,
cost6,
cots6,
scot6,
togs5,
stot4,
tost4,
tots4,
3 letter words:
coy8,
goy7,
cog6,
soy6,
sty6,
toy6,
cos5,
cot5,
gos4,
got4,
tog4,
sot3,
tot3,
2 letter words:
oy5,
yo5,
go3,
os2,
so2,
to2,