9 letter words:
prereturn11,
8 letter words:
returner8,
6 letter words:
perter8,
pruner8,
punter8,
repent8,
repute8,
neuter6,
renter6,
rerent6,
retune6,
return6,
tenure6,
tureen6,
turner6,
ureter6,
5 letter words:
erupt7,
peter7,
preen7,
prune7,
puree7,
purer7,
rupee7,
enter5,
enure5,
rente5,
rerun5,
terne5,
treen5,
truer5,
tuner5,
4 letter words:
neep6,
peen6,
peer6,
pent6,
pere6,
pert6,
pree6,
punt6,
pure6,
purr6,
erne4,
rent4,
rete4,
ruer4,
rune4,
runt4,
teen4,
tern4,
tree4,
true4,
tune4,
turn4,
3 letter words:
pee5,
pen5,
per5,
pet5,
pun5,
pur5,
put5,
rep5,
tup5,
urp5,
ere3,
ern3,
err3,
nee3,
net3,
nut3,
ree3,
ret3,
rue3,
run3,
rut3,
tee3,
ten3,
tun3,
urn3,
ute3,
2 letter words:
pe4,
up4,
en2,
er2,
et2,
ne2,
nu2,
re2,
un2,
ut2,
