4 letter words:
moop8,
mope8,
poem8,
pome8,
pomo8,
meno6,
mono6,
moon6,
nome6,
noop6,
nope6,
omen6,
open6,
peon6,
pone6,
poon6,
3 letter words:
mop7,
pom7,
emo5,
men5,
moe5,
mon5,
moo5,
nep5,
nom5,
oom5,
oop5,
ope5,
pen5,
poo5,
eon3,
noo3,
one3,
ono3,
oon3,
2 letter words:
em4,
me4,
mo4,
om4,
op4,
pe4,
po4,
en2,
ne2,
no2,
oe2,
on2,
oo2,