7 letter words:
prudent10,
uptrend10,
6 letter words:
pruned9,
punted9,
punter8,
turned7,
5 letter words:
drupe8,
duper8,
perdu8,
prude8,
upend8,
urped8,
erupt7,
prune7,
nuder6,
tendu6,
trend6,
trued6,
tuned6,
under6,
tuner5,
4 letter words:
dupe7,
pend7,
pent6,
pert6,
punt6,
pure6,
dent5,
duet5,
dune5,
dunt5,
dure5,
durn5,
nerd5,
nude5,
nurd5,
rend5,
rude5,
rued5,
tend5,
turd5,
unde5,
rent4,
rune4,
runt4,
tern4,
true4,
tune4,
turn4,
3 letter words:
dup6,
ped6,
pud6,
pen5,
per5,
pet5,
pun5,
pur5,
put5,
rep5,
tup5,
urp5,
den4,
due4,
dun4,
end4,
red4,
ted4,
urd4,
ern3,
net3,
nut3,
ret3,
rue3,
run3,
rut3,
ten3,
tun3,
urn3,
ute3,
2 letter words:
pe4,
up4,
de3,
ed3,
en2,
er2,
et2,
ne2,
nu2,
re2,
un2,
ut2,