10 letter words:
incipience16,
6 letter words:
picnic12,
picene10,
picine10,
piecen10,
pinene8,
pinnie8,
neinei6,
5 letter words:
pence9,
piece9,
niece7,
penie7,
penne7,
penni7,
4 letter words:
cepe8,
ecce8,
epic8,
pice8,
cine6,
neep6,
nice6,
peen6,
pein6,
pene6,
peni6,
pine6,
eine4,
nene4,
nine4,
3 letter words:
cep7,
pec7,
pic7,
cee5,
ice5,
nep5,
nip5,
pee5,
pen5,
pie5,
pin5,
een3,
ene3,
inn3,
nee3,
nie3,
2 letter words:
pe4,
pi4,
ee2,
en2,
in2,
ne2,
