8 letter words:
prepunch17,
7 letter words:
puncher14,
unperch14,
6 letter words:
cherup13,
cupper12,
prenup10,
5 letter words:
perch12,
punch12,
churn10,
ruche10,
runch10,
pucer9,
punce9,
upper9,
prune7,
4 letter words:
pech11,
cher9,
pruh9,
perp8,
prep8,
puce8,
repp8,
hern7,
huer7,
crue6,
cure6,
curn6,
ecru6,
pern6,
puer6,
pure6,
unce6,
rune4,
3 letter words:
che8,
ech8,
hep8,
hup8,
peh8,
puh8,
cep7,
cup7,
pec7,
pep7,
pup7,
hen6,
her6,
hue6,
hun6,
reh6,
cru5,
cue5,
cur5,
ecu5,
nep5,
pen5,
per5,
pre5,
pun5,
pur5,
rec5,
rep5,
ruc5,
urp5,
ern3,
nur3,
ren3,
rue3,
run3,
ure3,
urn3,
2 letter words:
ch7,
eh5,
he5,
uh5,
pe4,
up4,
en2,
er2,
ne2,
nu2,
re2,
un2,
ur2,