6 letter words:
unpope10,
unopen8,
5 letter words:
opepe9,
poupe9,
penne7,
unpen7,
4 letter words:
oppo8,
peep8,
pepo8,
poep8,
poop8,
pope8,
neep6,
noop6,
nope6,
noup6,
open6,
peen6,
pene6,
peon6,
pone6,
poon6,
upon6,
nene4,
neon4,
none4,
noon4,
noun4,
3 letter words:
pep7,
pop7,
pup7,
nep5,
oop5,
ope5,
oup5,
pee5,
pen5,
poo5,
pun5,
upo5,
een3,
ene3,
eon3,
nee3,
non3,
noo3,
nun3,
one3,
ono3,
oon3,
2 letter words:
op4,
pe4,
po4,
up4,
ee2,
en2,
ne2,
no2,
nu2,
oe2,
on2,
oo2,
ou2,
un2,