5 letter words:
coper9,
corbe9,
probe9,
rebop9,
4 letter words:
boep8,
cope8,
crop8,
prob8,
bore6,
cero6,
core6,
pore6,
repo6,
robe6,
rope6,
3 letter words:
bop7,
cep7,
cob7,
cop7,
pec7,
bor5,
bro5,
cor5,
eco5,
obe5,
ope5,
orb5,
orc5,
per5,
pre5,
pro5,
reb5,
rec5,
rep5,
rob5,
roc5,
ore3,
reo3,
roe3,
2 letter words:
be4,
bo4,
ob4,
op4,
pe4,
po4,
er2,
oe2,
or2,
re2,