5 letter words:
pupal9,
nopal7,
ulpan7,
4 letter words:
palp8,
plop8,
pulp8,
pupa8,
loup6,
opal6,
plan6,
pula6,
puna6,
upon6,
loan4,
luna4,
ulan4,
ulna4,
3 letter words:
app7,
pap7,
pop7,
pup7,
alp5,
apo5,
lap5,
lop5,
nap5,
pal5,
pan5,
pol5,
pul5,
pun5,
upo5,
2 letter words:
op4,
pa4,
up4,
al2,
an2,
la2,
lo2,
na2,
no2,
nu2,
on2,
un2,