6 letter words:
perter8,
repute8,
ureter6,
5 letter words:
erupt7,
peter7,
puree7,
purer7,
rupee7,
truer5,
4 letter words:
peer6,
pere6,
pert6,
pree6,
pure6,
purr6,
rete4,
ruer4,
tree4,
true4,
3 letter words:
pee5,
per5,
pet5,
pur5,
put5,
rep5,
tup5,
urp5,
ere3,
err3,
ree3,
ret3,
rue3,
rut3,
tee3,
ute3,
2 letter words:
pe4,
up4,
er2,
et2,
re2,
ut2,