6 letter words:
cumber12,
5 letter words:
crumb11,
brume9,
cuber9,
umber9,
4 letter words:
berm8,
cube8,
curb8,
merc8,
cure6,
ecru6,
mure6,
rube6,
3 letter words:
bum7,
cub7,
cum7,
bur5,
cru5,
cue5,
cur5,
ecu5,
emu5,
reb5,
rec5,
rem5,
rub5,
rum5,
urb5,
rue3,
2 letter words:
be4,
em4,
me4,
mu4,
um4,
er2,
re2,
