6 letter words:
puffin14,
nuffin12,
5 letter words:
fundi9,
unpin7,
4 letter words:
fuff13,
puff12,
diff11,
duff11,
niff10,
nuff10,
pfui9,
find8,
fund8,
3 letter words:
iff9,
dif7,
fid7,
fud7,
dip6,
dup6,
fin6,
fun6,
pud6,
nip5,
pin5,
piu5,
pun5,
din4,
dui4,
dun4,
nid4,
inn3,
nun3,
uni3,
2 letter words:
if5,
pi4,
up4,
di3,
id3,
in2,
nu2,
un2,