6 letter words:
pooper10,
proper10,
poorer8,
5 letter words:
zoppo18,
zorro14,
preop9,
porer7,
prore7,
repro7,
roper7,
4 letter words:
prez15,
ooze13,
orzo13,
zero13,
oppo8,
pepo8,
perp8,
poep8,
poop8,
pope8,
prep8,
prop8,
repp8,
poor6,
pore6,
proo6,
repo6,
roop6,
rope6,
rore4,
3 letter words:
poz14,
zep14,
rez12,
zoo12,
pep7,
pop7,
oop5,
ope5,
per5,
poo5,
pre5,
pro5,
rep5,
err3,
oor3,
ore3,
reo3,
roe3,
roo3,
2 letter words:
zo11,
op4,
pe4,
po4,
er2,
oe2,
oo2,
or2,
re2,