4 letter words:
cosy9,
coys9,
cyst9,
doty8,
tody8,
yods8,
cods7,
docs7,
toys7,
cost6,
cots6,
scot6,
dost5,
dots5,
tods5,
3 letter words:
coy8,
yod7,
cod6,
doc6,
soy6,
sty6,
toy6,
cos5,
cot5,
dos4,
dot4,
ods4,
sod4,
tod4,
sot3,
2 letter words:
oy5,
yo5,
do3,
od3,
os2,
so2,
to2,