5 letter words:
punch12,
punce9,
4 letter words:
pech11,
puce8,
unce6,
3 letter words:
che8,
ech8,
hep8,
hup8,
peh8,
puh8,
cep7,
cup7,
pec7,
hen6,
hue6,
hun6,
cue5,
ecu5,
nep5,
pen5,
pun5,
2 letter words:
ch7,
eh5,
he5,
uh5,
pe4,
up4,
en2,
ne2,
nu2,
un2,