7 letter words:
bulling10,
6 letter words:
bluing9,
lubing9,
5 letter words:
lungi6,
4 letter words:
bung7,
glib7,
bill6,
blin6,
bull6,
gill5,
gull5,
iglu5,
ling5,
lung5,
nill4,
null4,
3 letter words:
big6,
bug6,
gib6,
bin5,
bun5,
lib5,
nib5,
nub5,
gin4,
gnu4,
gul4,
gun4,
lug4,
ill3,
lin3,
nil3,
2 letter words:
bi4,
in2,
li2,
nu2,
un2,