6 letter words:
copper12,
copple12,
lopper10,
propel10,
5 letter words:
coper9,
preop9,
ceorl7,
loper7,
poler7,
prole7,
4 letter words:
clop8,
cope8,
crop8,
pepo8,
perp8,
plop8,
poep8,
pope8,
prep8,
prop8,
repp8,
cero6,
cole6,
core6,
lerp6,
lope6,
olpe6,
pole6,
pore6,
repo6,
rope6,
eorl4,
lore4,
orle4,
role4,
3 letter words:
cep7,
cop7,
pec7,
pep7,
pop7,
cel5,
col5,
cor5,
eco5,
lep5,
lop5,
ope5,
orc5,
per5,
pol5,
pre5,
pro5,
rec5,
rep5,
roc5,
lor3,
ole3,
ore3,
reo3,
roe3,
2 letter words:
op4,
pe4,
po4,
el2,
er2,
lo2,
oe2,
or2,
re2,