8 letter words:
prepunch17,
7 letter words:
puncher14,
6 letter words:
cupper12,
hunger10,
rehung10,
repugn9,
5 letter words:
perch12,
punch12,
churn10,
ruche10,
huger9,
upper9,
purge8,
unpeg8,
prune7,
4 letter words:
pech11,
chug10,
pugh10,
huge8,
hung8,
perp8,
prep8,
puce8,
repp8,
hern7,
pung7,
cure6,
curn6,
ecru6,
pure6,
genu5,
grue5,
rung5,
urge5,
rune4,
3 letter words:
hep8,
hup8,
peh8,
cep7,
cup7,
hug7,
pec7,
pep7,
pup7,
ugh7,
hen6,
her6,
hue6,
hun6,
peg6,
pug6,
cru5,
cue5,
cur5,
ecu5,
pen5,
per5,
pun5,
pur5,
rec5,
rep5,
urp5,
eng4,
erg4,
gen4,
gnu4,
gun4,
neg4,
reg4,
rug4,
ern3,
rue3,
run3,
urn3,
2 letter words:
eh5,
he5,
uh5,
pe4,
up4,
en2,
er2,
ne2,
nu2,
re2,
un2,