6 letter words:
nubbin10,
5 letter words:
benne7,
benni7,
ennui5,
4 letter words:
been6,
bene6,
bine6,
bunn6,
unbe6,
nene4,
nine4,
3 letter words:
bib7,
bub7,
ebb7,
bee5,
ben5,
bin5,
bun5,
neb5,
nib5,
nub5,
inn3,
nee3,
nun3,
2 letter words:
be4,
bi4,
en2,
in2,
ne2,
nu2,
un2,