5 letter words:
rumbo9,
tumor7,
turbo7,
4 letter words:
borm8,
ombu8,
tomb8,
umbo8,
bort6,
bout6,
brut6,
mort6,
motu6,
roum6,
turm6,
rout4,
tour4,
3 letter words:
bum7,
mob7,
bor5,
bot5,
bro5,
bru5,
bur5,
but5,
mor5,
mot5,
mou5,
mut5,
orb5,
rob5,
rom5,
rub5,
rum5,
tom5,
tub5,
tum5,
urb5,
ort3,
our3,
out3,
rot3,
rut3,
tor3,
2 letter words:
bo4,
mo4,
mu4,
ob4,
om4,
um4,
or2,
ou2,
to2,
ur2,
ut2,