7 letter words:
barrack15,
6 letter words:
arrack12,
5 letter words:
aback13,
kabar11,
barca9,
4 letter words:
back12,
bark10,
cark10,
kbar10,
rack10,
arak8,
carb8,
crab8,
carr6,
3 letter words:
kab9,
ark7,
cab7,
aba5,
arb5,
arc5,
baa5,
bar5,
bra5,
brr5,
car5,
2 letter words:
ka6,
ab4,
ba4,
aa2,
ar2,
