7 letter words:
pinging11,
peining10,
penguin10,
6 letter words:
piggie10,
piggin10,
pieing9,
pining9,
gieing8,
5 letter words:
genip8,
piing8,
unpeg8,
gigue7,
penni7,
unpen7,
unpin7,
genii6,
ennui5,
4 letter words:
ping7,
pung7,
pein6,
pine6,
genu5,
gien5,
nine4,
3 letter words:
gip6,
peg6,
pig6,
pug6,
egg5,
gig5,
igg5,
nip5,
pen5,
pie5,
pin5,
piu5,
pun5,
eng4,
gen4,
gie4,
gin4,
gnu4,
gun4,
neg4,
inn3,
nun3,
2 letter words:
pe4,
pi4,
up4,
en2,
in2,
ne2,
nu2,
un2,