6 letter words:
pruned9,
5 letter words:
drupe8,
duper8,
pendu8,
perdu8,
prude8,
pured8,
upend8,
urped8,
prune7,
nuder6,
runed6,
under6,
unred6,
urned6,
4 letter words:
dupe7,
pend7,
pern6,
puer6,
pure6,
dern5,
dune5,
dure5,
durn5,
nerd5,
nude5,
nurd5,
rend5,
rude5,
rued5,
rund5,
unde5,
urde5,
rune4,
3 letter words:
dup6,
ped6,
pud6,
nep5,
pen5,
per5,
pre5,
pun5,
pur5,
rep5,
urp5,
den4,
due4,
dun4,
end4,
ned4,
red4,
rud4,
urd4,
ern3,
nur3,
ren3,
rue3,
run3,
ure3,
urn3,
2 letter words:
pe4,
up4,
de3,
ed3,
en2,
er2,
ne2,
nu2,
re2,
un2,
ur2,