6 letter words:
punker12,
unpure8,
5 letter words:
prune7,
4 letter words:
perk10,
puke10,
punk10,
kern8,
knur8,
kune8,
kuru8,
neuk8,
nuke8,
pure6,
rune4,
3 letter words:
kep9,
ken7,
kue7,
uke7,
pen5,
per5,
pun5,
pur5,
rep5,
urp5,
ern3,
rue3,
run3,
urn3,
2 letter words:
pe4,
up4,
en2,
er2,
ne2,
nu2,
re2,
un2,