6 letter words:
mutter8,
5 letter words:
muter7,
utter5,
4 letter words:
merk10,
murk10,
trek8,
turk8,
mure6,
mute6,
mutt6,
term6,
tret4,
true4,
3 letter words:
kue7,
mem7,
mum7,
uke7,
umm7,
emu5,
met5,
mut5,
rem5,
rum5,
ret3,
rue3,
rut3,
tet3,
tut3,
ute3,
2 letter words:
mm6,
em4,
me4,
mu4,
um4,
er2,
et2,
re2,
ut2,