5 letter words:
mucor9,
mucro9,
cornu7,
mourn7,
4 letter words:
corm8,
corn6,
cour6,
curn6,
morn6,
muon6,
norm6,
roum6,
unco6,
ourn4,
3 letter words:
cum7,
moc7,
con5,
cor5,
cru5,
cur5,
mon5,
mor5,
mou5,
mun5,
nom5,
orc5,
roc5,
rom5,
ruc5,
rum5,
nor3,
nur3,
our3,
run3,
urn3,
2 letter words:
mo4,
mu4,
om4,
um4,
no2,
nu2,
on2,
or2,
ou2,
un2,
ur2,