7 letter words:
preempt13,
permute11,
prerupt11,
preterm11,
purpure11,
remueur9,
rupture9,
6 letter words:
muppet12,
pumper12,
repump12,
temper10,
murree8,
perter8,
puture8,
repure8,
repute8,
termer8,
ureter6,
5 letter words:
mpret9,
trump9,
upper9,
emure7,
erupt7,
merer7,
meter7,
metre7,
murre7,
muter7,
peter7,
petre7,
puree7,
purer7,
remet7,
retem7,
rupee7,
turme7,
upter7,
truer5,
4 letter words:
meze15,
mzee15,
prez15,
putz15,
trez13,
pump10,
empt8,
peep8,
perm8,
perp8,
prem8,
prep8,
pupu8,
repp8,
rump8,
temp8,
tump8,
emeu6,
meer6,
meet6,
mere6,
mete6,
mure6,
murr6,
mute6,
peer6,
pere6,
pert6,
pree6,
puer6,
pure6,
purr6,
rume6,
rurp6,
teem6,
teme6,
term6,
turm6,
rete4,
ruer4,
ruru4,
teer4,
tree4,
true4,
3 letter words:
zep14,
rez12,
zee12,
pep7,
pup7,
ump7,
eme5,
emu5,
mee5,
met5,
meu5,
mut5,
pee5,
per5,
pet5,
pre5,
pur5,
put5,
rem5,
rep5,
rum5,
tum5,
tup5,
umu5,
urp5,
ere3,
err3,
ree3,
ret3,
rue3,
rut3,
tee3,
ure3,
ute3,
utu3,
2 letter words:
em4,
me4,
mu4,
pe4,
um4,
up4,
ee2,
er2,
et2,
re2,
te2,
ur2,
ut2,