5 letter words:
rumba9,
umbra9,
mudra8,
4 letter words:
dumb9,
barm8,
bard7,
baud7,
brad7,
buda7,
burd7,
darb7,
daub7,
drab7,
dram7,
drub7,
drum7,
duma7,
mard7,
maud7,
arum6,
baur6,
bura6,
mura6,
daur5,
duar5,
dura5,
3 letter words:
bam7,
bum7,
bad6,
bud6,
dab6,
dam6,
dub6,
mad6,
mud6,
amu5,
arb5,
arm5,
bar5,
bra5,
bru5,
bur5,
mar5,
ram5,
rub5,
rum5,
urb5,
ard4,
rad4,
rud4,
urd4,
2 letter words:
ab4,
am4,
ba4,
ma4,
mu4,
um4,
ad3,
da3,
ar2,
ur2,