6 letter words:
popper12,
5 letter words:
prove10,
preop9,
4 letter words:
perv9,
pepo8,
perp8,
poep8,
pope8,
prep8,
prop8,
repp8,
over7,
rove7,
pore6,
repo6,
rope6,
3 letter words:
pep7,
pop7,
evo6,
rev6,
voe6,
vor6,
ope5,
per5,
pre5,
pro5,
rep5,
ore3,
reo3,
roe3,
2 letter words:
op4,
pe4,
po4,
er2,
oe2,
or2,
re2,