6 letter words:
groper9,
pogoer9,
poorer8,
5 letter words:
grope8,
porge8,
repeg8,
porer7,
prore7,
repro7,
roper7,
roger6,
4 letter words:
geep7,
goop7,
gorp7,
pogo7,
prog7,
peer6,
pere6,
poor6,
pore6,
pree6,
proo6,
repo6,
roop6,
rope6,
eger5,
ergo5,
gere5,
goer5,
goor5,
gore5,
gree5,
ogee5,
ogre5,
rego5,
rore4,
3 letter words:
peg6,
oop5,
ope5,
pee5,
per5,
poo5,
pre5,
pro5,
rep5,
ego4,
erg4,
gee4,
geo4,
goe4,
goo4,
gor4,
reg4,
ere3,
err3,
oor3,
ore3,
ree3,
reo3,
roe3,
roo3,
2 letter words:
op4,
pe4,
po4,
go3,
ee2,
er2,
oe2,
oo2,
or2,
re2,