6 letter words:
unbeen8,
5 letter words:
neemb9,
benne7,
neume7,
numen7,
4 letter words:
numb8,
been6,
bene6,
bunn6,
emeu6,
mene6,
menu6,
neem6,
nemn6,
neum6,
unbe6,
nene4,
3 letter words:
bum7,
bee5,
ben5,
bun5,
eme5,
emu5,
mee5,
men5,
meu5,
mun5,
neb5,
nub5,
een3,
ene3,
nee3,
nun3,
2 letter words:
be4,
em4,
me4,
mu4,
um4,
ee2,
en2,
ne2,
nu2,
un2,