5 letter words:
bromo9,
broom9,
bruit7,
motor7,
orbit7,
robot7,
tumor7,
turbo7,
4 letter words:
boom8,
brim8,
tomb8,
umbo8,
biro6,
boor6,
boot6,
bort6,
bout6,
brio6,
brit6,
broo6,
brut6,
moor6,
moot6,
mort6,
obit6,
omit6,
room6,
toom6,
trim6,
riot4,
root4,
roti4,
roto4,
rout4,
tiro4,
tori4,
toro4,
tour4,
trio4,
3 letter words:
bum7,
mib7,
mob7,
bio5,
bit5,
boo5,
bot5,
bro5,
bur5,
but5,
mir5,
moo5,
mor5,
mot5,
mut5,
obi5,
orb5,
rib5,
rim5,
rob5,
rom5,
rub5,
rum5,
tom5,
tub5,
urb5,
oot3,
ort3,
our3,
out3,
rot3,
rut3,
too3,
tor3,
tui3,
2 letter words:
bi4,
bo4,
mi4,
mo4,
mu4,
om4,
um4,
it2,
oi2,
or2,
ti2,
to2,
ut2,