6 letter words:
rhumba13,
5 letter words:
rhumb12,
burka11,
rumba9,
umbra9,
4 letter words:
haku11,
hark11,
bark10,
kbar10,
mark10,
murk10,
buhr9,
habu9,
harm9,
barm8,
raku8,
arum6,
bura6,
mura6,
3 letter words:
kab9,
bah8,
ham8,
hub8,
hum8,
ark7,
auk7,
bam7,
bum7,
rah6,
amu5,
arb5,
arm5,
bar5,
bra5,
bur5,
mar5,
ram5,
rub5,
rum5,
urb5,
2 letter words:
hm7,
ka6,
ah5,
ha5,
uh5,
ab4,
am4,
ba4,
ma4,
mu4,
um4,
ar2,