6 letter words:
mutter8,
5 letter words:
meter7,
metre7,
muter7,
remet7,
retem7,
tutee5,
utter5,
4 letter words:
emeu6,
meet6,
mere6,
mete6,
mure6,
mute6,
mutt6,
teem6,
term6,
rete4,
tree4,
tret4,
true4,
3 letter words:
eme5,
emu5,
met5,
mut5,
rem5,
rum5,
ere3,
ree3,
ret3,
rue3,
rut3,
tee3,
tet3,
tut3,
ute3,
2 letter words:
em4,
me4,
mu4,
um4,
er2,
et2,
re2,
ut2,