9 letter words:
barmbrack21,
7 letter words:
barrack15,
6 letter words:
backra14,
arrack12,
5 letter words:
aback13,
babka13,
brack13,
kabab13,
bakra11,
kabar11,
karma11,
makar11,
marka11,
abram9,
barca9,
barra7,
4 letter words:
back12,
mack12,
bark10,
brak10,
cark10,
kama10,
kbar10,
krab10,
mark10,
rack10,
abac8,
abba8,
arak8,
baba8,
barb8,
barm8,
caba8,
cama8,
carb8,
crab8,
cram8,
kara8,
marc8,
rark8,
arba6,
carr6,
maar6,
mara6,
raca6,
arar4,
3 letter words:
kab9,
kam9,
mak9,
abb7,
aka7,
ark7,
bac7,
bam7,
cab7,
cam7,
mac7,
aba5,
ama5,
arb5,
arc5,
arm5,
baa5,
bar5,
bra5,
brr5,
caa5,
car5,
maa5,
mar5,
ram5,
2 letter words:
ka6,
ab4,
am4,
ba4,
ma4,
aa2,
ar2,