11 letter words:
abracadabra18,
6 letter words:
darbar9,
araara6,
5 letter words:
dabba10,
abaca9,
barca9,
araba7,
barra7,
radar6,
4 letter words:
abac8,
abba8,
baba8,
barb8,
caba8,
carb8,
crab8,
bard7,
brad7,
card7,
darb7,
drab7,
drac7,
arba6,
carr6,
raca6,
arar4,
3 letter words:
abb7,
bac7,
cab7,
bad6,
cad6,
dab6,
aba5,
arb5,
arc5,
baa5,
bar5,
bra5,
brr5,
caa5,
car5,
ard4,
rad4,
2 letter words:
ab4,
ba4,
ad3,
da3,
aa2,
ar2,