7 letter words:
piecing12,
6 letter words:
pieing9,
5 letter words:
genic8,
genip8,
icing8,
piing8,
genii6,
4 letter words:
epic8,
pice8,
ping7,
cine6,
nice6,
pein6,
pine6,
gien5,
3 letter words:
cep7,
pec7,
pic7,
cig6,
gip6,
peg6,
pig6,
ice5,
nip5,
pen5,
pie5,
pin5,
eng4,
gen4,
gie4,
gin4,
neg4,
2 letter words:
pe4,
pi4,
en2,
in2,
ne2,