7 letter words:
peining10,
6 letter words:
pieing9,
pining9,
5 letter words:
genip8,
piing8,
penni7,
genii6,
4 letter words:
ping7,
pein6,
pine6,
gien5,
nine4,
3 letter words:
gip6,
peg6,
pig6,
nip5,
pen5,
pie5,
pin5,
eng4,
gen4,
gie4,
gin4,
neg4,
inn3,
2 letter words:
pe4,
pi4,
en2,
in2,
ne2,