5 letter words:
opens7,
peons7,
pones7,
neons5,
nones5,
4 letter words:
epos6,
nope6,
open6,
opes6,
pens6,
peon6,
peso6,
pone6,
pons6,
pose6,
eons4,
neon4,
noes4,
none4,
nose4,
ones4,
sone4,
3 letter words:
ope5,
ops5,
pen5,
pes5,
sop5,
ens3,
eon3,
nos3,
oes3,
one3,
ons3,
ose3,
sen3,
son3,
2 letter words:
op4,
pe4,
en2,
es2,
ne2,
no2,
oe2,
on2,
os2,
so2,