5 letter words:
apoop9,
poulp9,
pupal9,
napoo7,
nopal7,
paolo7,
pulao7,
ulpan7,
4 letter words:
oppo8,
palp8,
plap8,
plop8,
poop8,
pulp8,
pupa8,
loop6,
loup6,
noop6,
noup6,
opal6,
oupa6,
paul6,
plan6,
polo6,
pool6,
poon6,
pula6,
puna6,
upon6,
loan4,
loon4,
loun4,
luna4,
nolo4,
noul4,
ulan4,
ulna4,
3 letter words:
app7,
pap7,
pop7,
pup7,
alp5,
apo5,
lap5,
lop5,
nap5,
oop5,
oup5,
pal5,
pan5,
plu5,
poa5,
pol5,
poo5,
pul5,
pun5,
upo5,
loo3,
lou3,
noo3,
ono3,
oon3,
2 letter words:
op4,
pa4,
po4,
up4,
al2,
an2,
la2,
lo2,
na2,
no2,
nu2,
on2,
oo2,
ou2,
un2,