4 letter words:
cozy18,
cowy12,
towy10,
yows10,
cosy9,
cows9,
coys9,
cyst9,
scow9,
stow7,
swot7,
tows7,
toys7,
twos7,
wost7,
wots7,
cost6,
cots6,
scot6,
3 letter words:
coz14,
yow9,
cow8,
coy8,
sow6,
soy6,
sty6,
tow6,
toy6,
two6,
wos6,
wot6,
cos5,
cot5,
sot3,
2 letter words:
ow5,
oy5,
wo5,
yo5,
os2,
so2,
to2,