7 letter words:
subsume11,
6 letter words:
brumes10,
sebums10,
umbers10,
burses8,
musers8,
serums8,
subers8,
uruses6,
5 letter words:
berms9,
brume9,
sebum9,
umber9,
burse7,
buses7,
mures7,
muser7,
muses7,
rebus7,
rubes7,
rubus7,
serum7,
suber7,
ruses5,
suers5,
users5,
4 letter words:
berm8,
bums8,
burs6,
buss6,
emus6,
mess6,
mure6,
muse6,
muss6,
rebs6,
rems6,
rube6,
rubs6,
rums6,
subs6,
sums6,
urbs6,
rues4,
ruse4,
sers4,
suer4,
sues4,
sure4,
urus4,
user4,
uses4,
3 letter words:
bum7,
bes5,
bur5,
bus5,
ems5,
emu5,
mus5,
reb5,
rem5,
rub5,
rum5,
sub5,
sum5,
urb5,
ers3,
ess3,
res3,
rue3,
ser3,
sue3,
use3,
2 letter words:
be4,
em4,
me4,
mu4,
um4,
er2,
es2,
re2,
us2,