5 letter words:
cisco9,
cocos9,
cosec9,
secco9,
cosie7,
4 letter words:
cows9,
scow9,
coco8,
iwis7,
owes7,
owse7,
wise7,
woes7,
woos7,
coos6,
ices6,
sice6,
3 letter words:
cow8,
owe6,
sew6,
sow6,
wis6,
woe6,
woo6,
wos6,
cis5,
coo5,
cos5,
ice5,
sec5,
sic5,
oes3,
ose3,
sei3,
2 letter words:
ow5,
we5,
wo5,
es2,
is2,
oe2,
oi2,
os2,
si2,
so2,