4 letter words:
knop10,
monk10,
ponk10,
pouk10,
punk10,
moup8,
muon6,
noup6,
upon6,
3 letter words:
kop9,
kon7,
mop7,
ouk7,
pom7,
ump7,
mon5,
mou5,
mun5,
nom5,
oup5,
pun5,
upo5,
2 letter words:
ko6,
mo4,
mu4,
om4,
op4,
po4,
um4,
up4,
no2,
nu2,
on2,
ou2,
un2,