5 letter words:
lemur7,
lumen7,
rumen7,
4 letter words:
menu6,
merl6,
mule6,
mure6,
neum6,
lune4,
lure4,
nurl4,
rule4,
rune4,
3 letter words:
mem7,
mum7,
umm7,
elm5,
emu5,
lum5,
mel5,
men5,
mun5,
rem5,
rum5,
ern3,
leu3,
rue3,
run3,
urn3,
2 letter words:
mm6,
em4,
me4,
mu4,
um4,
el2,
en2,
er2,
ne2,
nu2,
re2,
un2,