7 letter words:
fopping15,
5 letter words:
gippo10,
gonif9,
ippon9,
gipon8,
oping8,
pingo8,
4 letter words:
figo8,
fino7,
foin7,
info7,
ping7,
pong7,
pion6,
ingo5,
3 letter words:
fop8,
fig7,
fog7,
gif7,
pip7,
pop7,
fin6,
fon6,
gip6,
pig6,
nip5,
pin5,
poi5,
gin4,
gio4,
gon4,
nog4,
ion3,
2 letter words:
if5,
of5,
op4,
pi4,
po4,
gi3,
go3,
in2,
io2,
no2,
oi2,
on2,