5 letter words:
cower10,
power10,
powre10,
coper9,
4 letter words:
cowp11,
crew9,
crow9,
prow9,
cope8,
crop8,
ower7,
owre7,
wero7,
wore7,
cero6,
core6,
pore6,
repo6,
rope6,
3 letter words:
cow8,
pew8,
pow8,
wop8,
cep7,
cop7,
pec7,
owe6,
rew6,
row6,
woe6,
cor5,
eco5,
ope5,
orc5,
per5,
pre5,
pro5,
rec5,
rep5,
roc5,
ore3,
reo3,
roe3,
2 letter words:
ow5,
we5,
wo5,
op4,
pe4,
po4,
er2,
oe2,
or2,
re2,