5 letter words:
orlop7,
4 letter words:
plop8,
poop8,
prop8,
pulp8,
loop6,
loup6,
polo6,
pool6,
poor6,
pour6,
purl6,
roup6,
lour4,
3 letter words:
pop7,
pup7,
lop5,
pol5,
poo5,
pro5,
pul5,
pur5,
upo5,
urp5,
loo3,
our3,
2 letter words:
op4,
up4,
lo2,
or2,