8 letter words:
liripoop12,
6 letter words:
piopio10,
5 letter words:
orlop7,
polio7,
poori7,
4 letter words:
oppo8,
pipi8,
plop8,
poop8,
prop8,
ripp8,
lipo6,
loop6,
pili6,
pirl6,
polo6,
pool6,
poor6,
proo6,
roop6,
liri4,
loir4,
loor4,
olio4,
roil4,
3 letter words:
pip7,
pop7,
lip5,
lop5,
oop5,
pir5,
poi5,
pol5,
poo5,
pro5,
rip5,
loo3,
lor3,
oil3,
oor3,
roo3,
2 letter words:
op4,
pi4,
po4,
io2,
li2,
lo2,
oi2,
oo2,
or2,