6 letter words:
tambur10,
5 letter words:
rumba9,
umbra9,
gamut8,
4 letter words:
gamb9,
barm8,
brag7,
burg7,
garb7,
gaum7,
grab7,
gram7,
grub7,
grum7,
abut6,
arum6,
brat6,
brut6,
bura6,
mart6,
maut6,
mura6,
tabu6,
tram6,
tuba6,
gaur5,
grat5,
guar5,
ruga5,
trug5,
3 letter words:
bam7,
bum7,
bag6,
bug6,
gab6,
gam6,
gum6,
mag6,
mug6,
amu5,
arb5,
arm5,
bar5,
bat5,
bra5,
bur5,
but5,
mar5,
mat5,
mut5,
ram5,
rub5,
rum5,
tab5,
tam5,
tub5,
urb5,
gar4,
gat4,
gut4,
rag4,
rug4,
tag4,
tug4,
art3,
rat3,
rut3,
tar3,
tau3,
uta3,
2 letter words:
ab4,
am4,
ba4,
ma4,
mu4,
um4,
ag3,
ar2,
at2,
ta2,
ut2,