6 letter words:
oppose10,
peones8,
unopen8,
unpens8,
nonuse6,
unseen6,
5 letter words:
peeps9,
pepos9,
poops9,
popes9,
neeps7,
opens7,
peens7,
penes7,
penne7,
peons7,
pones7,
poons7,
snoop7,
spoon7,
unpen7,
ensue5,
nenes5,
neons5,
nones5,
noons5,
noose5,
nouns5,
4 letter words:
peep8,
pepo8,
peps8,
poop8,
pope8,
pops8,
pups8,
epos6,
neep6,
nope6,
oops6,
open6,
opes6,
opus6,
peen6,
pees6,
pens6,
peon6,
peso6,
pone6,
pons6,
poon6,
poos6,
pose6,
puns6,
seep6,
soup6,
spue6,
spun6,
supe6,
upon6,
eons4,
esne4,
nene4,
neon4,
noes4,
none4,
noon4,
nose4,
noun4,
nous4,
nuns4,
ones4,
onos4,
onus4,
seen4,
sene4,
sone4,
soon4,
sunn4,
3 letter words:
pep7,
pop7,
pup7,
ope5,
ops5,
pee5,
pen5,
pes5,
poo5,
pun5,
pus5,
sop5,
sup5,
upo5,
ups5,
ens3,
eon3,
nee3,
noo3,
nos3,
nun3,
nus3,
oes3,
one3,
ono3,
ons3,
ose3,
see3,
sen3,
son3,
sou3,
sue3,
sun3,
uns3,
use3,
2 letter words:
op4,
pe4,
up4,
en2,
es2,
ne2,
no2,
nu2,
oe2,
on2,
os2,
so2,
un2,
us2,