5 letter words:
group8,
4 letter words:
plop8,
prop8,
pulp8,
glop7,
gorp7,
gulp7,
plug7,
prog7,
loup6,
pour6,
purl6,
roup6,
lour4,
3 letter words:
pop7,
pup7,
pug6,
lop5,
pol5,
pro5,
pul5,
pur5,
upo5,
urp5,
gor4,
gul4,
log4,
lug4,
rug4,
our3,
2 letter words:
op4,
up4,
go3,
lo2,
or2,