7 letter words:
muffing16,
6 letter words:
muffin14,
fuming12,
5 letter words:
fungi9,
4 letter words:
miff12,
muff12,
guff11,
muni6,
3 letter words:
iff9,
fig7,
fug7,
fin6,
fun6,
gum6,
mig6,
mug6,
mun5,
nim5,
gin4,
gnu4,
gun4,
2 letter words:
if5,
mi4,
mu4,
um4,
in2,
nu2,
un2,