7 letter words:
bumming14,
4 letter words:
numb8,
bung7,
muni6,
3 letter words:
bum7,
mib7,
mim7,
mum7,
umm7,
big6,
bug6,
gib6,
gum6,
mig6,
mug6,
bin5,
bun5,
mun5,
nib5,
nim5,
nub5,
gin4,
gnu4,
gun4,
2 letter words:
mm6,
bi4,
mi4,
mu4,
um4,
in2,
nu2,
un2,