7 letter words:
puffing16,
6 letter words:
puffin14,
5 letter words:
fungi9,
4 letter words:
puff12,
guff11,
pfui9,
ping7,
pung7,
3 letter words:
iff9,
fig7,
fug7,
fin6,
fun6,
gip6,
pig6,
pug6,
nip5,
pin5,
piu5,
pun5,
gin4,
gnu4,
gun4,
2 letter words:
if5,
pi4,
up4,
in2,
nu2,
un2,
