7 letter words:
huffing17,
5 letter words:
fungi9,
4 letter words:
huff13,
guff11,
niff10,
nuff10,
fung8,
hing8,
hung8,
nigh8,
3 letter words:
iff9,
fig7,
fug7,
ghi7,
gif7,
hug7,
ugh7,
fin6,
fun6,
hin6,
hui6,
hun6,
gin4,
gnu4,
gun4,
uni3,
2 letter words:
hi5,
if5,
uh5,
gi3,
gu3,
ug3,
in2,
nu2,
un2,