5 letter words:
crumb11,
barca9,
rumba9,
umbra9,
4 letter words:
jamb15,
juba13,
ajar11,
jura11,
raja11,
barm8,
carb8,
crab8,
cram8,
curb8,
marc8,
arum6,
bura6,
maar6,
mara6,
mura6,
aura4,
3 letter words:
jab12,
jam12,
jar10,
raj10,
bam7,
bum7,
cab7,
cam7,
cub7,
cum7,
mac7,
aba5,
ama5,
amu5,
arb5,
arc5,
arm5,
baa5,
bar5,
bra5,
bur5,
car5,
cru5,
cur5,
mar5,
ram5,
rub5,
rum5,
urb5,
2 letter words:
ab4,
am4,
ba4,
ma4,
mu4,
um4,
aa2,
ar2,