5 letter words:
gippo10,
ippon9,
gipon8,
oping8,
pingo8,
4 letter words:
ping7,
pong7,
pion6,
ingo5,
3 letter words:
pip7,
pop7,
gip6,
pig6,
nip5,
pin5,
poi5,
gin4,
gio4,
gon4,
nog4,
ion3,
2 letter words:
op4,
pi4,
po4,
gi3,
go3,
in2,
io2,
no2,
oi2,
on2,