7 letter words:
groupie10,
pirogue10,
6 letter words:
gipper11,
grippe11,
5 letter words:
piper9,
preop9,
upper9,
gripe8,
grope8,
group8,
pirog8,
purge8,
erugo6,
guiro6,
rogue6,
rouge6,
ourie5,
4 letter words:
pepo8,
perp8,
pipe8,
pope8,
prep8,
prop8,
repp8,
gorp7,
grip7,
prig7,
prog7,
peri6,
pier6,
pore6,
pour6,
pure6,
puri6,
repo6,
ripe6,
rope6,
roup6,
ergo5,
giro5,
goer5,
gore5,
grue5,
ogre5,
urge5,
euro4,
roue4,
3 letter words:
pep7,
pip7,
pop7,
pup7,
gip6,
peg6,
pig6,
pug6,
ope5,
per5,
pie5,
piu5,
poi5,
pro5,
pur5,
rep5,
rip5,
upo5,
urp5,
ego4,
erg4,
gie4,
gor4,
reg4,
rig4,
rug4,
ire3,
ore3,
our3,
rei3,
roe3,
rue3,
2 letter words:
op4,
pe4,
pi4,
up4,
go3,
er2,
oe2,
oi2,
or2,
re2,