9 letter words:
backtrack23,
6 letter words:
carack14,
5 letter words:
aback13,
crack13,
bacca11,
kabar11,
track11,
barca9,
bract9,
karat9,
carat7,
rabat7,
4 letter words:
back12,
kaka12,
bark10,
cark10,
kbar10,
rack10,
tack10,
arak8,
caca8,
carb8,
crab8,
kart8,
kata8,
taka8,
acta6,
brat6,
cart6,
3 letter words:
kab9,
ark7,
cab7,
kat7,
aba5,
act5,
arb5,
arc5,
baa5,
bar5,
bat5,
bra5,
car5,
cat5,
tab5,
art3,
rat3,
tar3,
2 letter words:
ka6,
ab4,
ba4,
aa2,
ar2,
at2,
ta2,
