6 letter words:
rumbas10,
sambur10,
umbras10,
5 letter words:
barms9,
rumba9,
umbra9,
arums7,
baurs7,
buras7,
bursa7,
muras7,
musar7,
ramus7,
rusma7,
4 letter words:
bams8,
barm8,
bums8,
amus6,
arbs6,
arms6,
arum6,
bars6,
baur6,
bras6,
brus6,
bura6,
burs6,
mars6,
masu6,
mura6,
rams6,
rubs6,
rums6,
smur6,
suba6,
urbs6,
rusa4,
sura4,
ursa4,
3 letter words:
bam7,
bum7,
abs5,
amu5,
arb5,
arm5,
bar5,
bas5,
bra5,
bru5,
bur5,
bus5,
mar5,
mas5,
mus5,
ram5,
rub5,
rum5,
sab5,
sam5,
sma5,
sub5,
sum5,
urb5,
ars3,
ras3,
sar3,
sau3,
sur3,
2 letter words:
ab4,
am4,
ba4,
ma4,
mu4,
um4,
ar2,
as2,
ur2,
us2,