8 letter words:
numberer12,
renumber12,
6 letter words:
embrue10,
number10,
burner8,
5 letter words:
berme9,
brume9,
ember9,
umber9,
merer7,
murre7,
neume7,
rumen7,
enure5,
rerun5,
4 letter words:
berm8,
numb8,
been6,
beer6,
bene6,
bree6,
bren6,
burn6,
burr6,
emeu6,
menu6,
mere6,
mure6,
murr6,
neem6,
neum6,
rube6,
unbe6,
erne4,
ruer4,
rune4,
3 letter words:
bum7,
bee5,
ben5,
brr5,
bun5,
bur5,
eme5,
emu5,
men5,
mun5,
neb5,
nub5,
reb5,
rem5,
rub5,
rum5,
urb5,
ere3,
ern3,
err3,
nee3,
ree3,
rue3,
run3,
urn3,
2 letter words:
be4,
em4,
me4,
mu4,
um4,
en2,
er2,
ne2,
nu2,
re2,
un2,