8 letter words:
piaffing17,
6 letter words:
fifing13,
5 letter words:
fagin9,
aping8,
piing8,
4 letter words:
gaff11,
naff10,
fang8,
fain7,
naif7,
pang7,
ping7,
nipa6,
pain6,
pian6,
pina6,
agin5,
gain5,
inia4,
3 letter words:
aff9,
iff9,
fag7,
fig7,
fan6,
fin6,
gap6,
gip6,
pig6,
nap5,
nip5,
pan5,
pia5,
pin5,
gan4,
gin4,
nag4,
ain3,
ani3,
2 letter words:
fa5,
if5,
pa4,
pi4,
ag3,
ai2,
an2,
in2,
na2,