4 letter words:
cowy12,
copy11,
cowp11,
yowe10,
cope8,
3 letter words:
wey9,
wye9,
yew9,
yow9,
cow8,
coy8,
pew8,
pow8,
pye8,
wop8,
yep8,
cep7,
cop7,
pec7,
owe6,
oye6,
woe6,
eco5,
ope5,
2 letter words:
ow5,
oy5,
we5,
wo5,
ye5,
yo5,
op4,
pe4,
po4,
oe2,