6 letter words:
bummer12,
5 letter words:
brume9,
umber9,
brute7,
buret7,
muter7,
rebut7,
tuber7,
4 letter words:
berm8,
brut6,
bute6,
mure6,
mute6,
rube6,
term6,
tube6,
true4,
3 letter words:
bum7,
mem7,
mum7,
umm7,
bet5,
bur5,
but5,
emu5,
met5,
mut5,
reb5,
rem5,
rub5,
rum5,
tub5,
urb5,
ret3,
rue3,
rut3,
ute3,
2 letter words:
mm6,
be4,
em4,
me4,
mu4,
um4,
er2,
et2,
re2,
ut2,