7 letter words:
bruxism18,
5 letter words:
brims9,
4 letter words:
brux13,
brim8,
bums8,
mibs8,
bris6,
burs6,
mirs6,
ribs6,
rims6,
rubs6,
rums6,
urbs6,
3 letter words:
mix12,
six10,
xis10,
bum7,
mib7,
bis5,
bur5,
bus5,
ism5,
mir5,
mis5,
mus5,
rib5,
rim5,
rub5,
rum5,
sib5,
sim5,
sub5,
sum5,
urb5,
sir3,
sri3,
2 letter words:
xi9,
xu9,
bi4,
mi4,
mu4,
um4,
is2,
si2,
us2,
