8 letter words:
piffling17,
6 letter words:
fifing13,
filing10,
piling9,
5 letter words:
gliff12,
fling9,
piing8,
lipin7,
4 letter words:
flip9,
ping7,
pili6,
ling5,
3 letter words:
iff9,
fig7,
fil6,
fin6,
gip6,
pig6,
lip5,
nip5,
pin5,
gin4,
lin3,
nil3,
2 letter words:
if5,
pi4,
in2,
li2,