9 letter words:
buckboard20,
7 letter words:
burdock16,
6 letter words:
buckra14,
5 letter words:
brock13,
bucko13,
kabob13,
burka11,
cabob11,
croak11,
drouk10,
carbo9,
carob9,
cobra9,
board8,
broad8,
dobra8,
duroc8,
doura6,
4 letter words:
back12,
bock12,
buck12,
dock11,
duck11,
bark10,
bork10,
cark10,
cobb10,
cork10,
kbar10,
rack10,
rock10,
ruck10,
dark9,
dork9,
kudo9,
babu8,
barb8,
bubo8,
burb8,
carb8,
crab8,
curb8,
kora8,
okra8,
raku8,
bard7,
baud7,
brad7,
burd7,
card7,
coda7,
cord7,
crud7,
curd7,
darb7,
daub7,
drab7,
drub7,
arco6,
boar6,
bora6,
bura6,
orca6,
dour5,
dura5,
duro5,
orad5,
road5,
3 letter words:
kab9,
kob9,
dak8,
ark7,
auk7,
bob7,
bub7,
cab7,
cob7,
cub7,
koa7,
kor7,
oak7,
oka7,
bad6,
bod6,
bud6,
cad6,
cod6,
cud6,
dab6,
doc6,
dub6,
abo5,
arb5,
arc5,
bar5,
boa5,
bra5,
bro5,
bur5,
car5,
cor5,
cru5,
cur5,
oba5,
oca5,
orb5,
orc5,
rob5,
roc5,
rub5,
urb5,
ado4,
dor4,
duo4,
oda4,
oud4,
rad4,
rod4,
udo4,
urd4,
oar3,
ora3,
our3,
2 letter words:
ka6,
ab4,
ba4,
bo4,
ad3,
do3,
od3,
ar2,
or2,