4 letter words:
moko10,
mook10,
pomp10,
pook10,
pouk10,
pump10,
moop8,
moup8,
oppo8,
pomo8,
poop8,
3 letter words:
kop9,
mop7,
ouk7,
pom7,
pop7,
pup7,
ump7,
moo5,
mou5,
oom5,
oop5,
oup5,
poo5,
upo5,
2 letter words:
ko6,
mo4,
mu4,
om4,
op4,
po4,
um4,
up4,
oo2,
ou2,