5 letter words:
muons7,
nouns5,
4 letter words:
mops8,
poms8,
sump8,
umps8,
mons6,
muns6,
muon6,
noms6,
opus6,
pons6,
puns6,
soup6,
spun6,
sumo6,
upon6,
noun4,
nous4,
nuns4,
onus4,
sunn4,
3 letter words:
mop7,
pom7,
ump7,
mon5,
mos5,
mun5,
mus5,
nom5,
oms5,
ops5,
pun5,
pus5,
som5,
sop5,
sum5,
sup5,
upo5,
ups5,
nos3,
nun3,
nus3,
ons3,
son3,
sou3,
sun3,
uns3,
2 letter words:
mo4,
mu4,
om4,
op4,
um4,
up4,
no2,
nu2,
on2,
os2,
so2,
un2,
us2,