6 letter words:
buckra14,
durbar9,
5 letter words:
burka11,
fubar10,
fraud9,
crura7,
durra6,
4 letter words:
fuck13,
back12,
buck12,
duck11,
bark10,
cark10,
kbar10,
rack10,
ruck10,
barf9,
curf9,
dark9,
carb8,
crab8,
curb8,
fard8,
raku8,
bard7,
baud7,
brad7,
burd7,
card7,
crud7,
curd7,
darb7,
daub7,
drab7,
drub7,
bura6,
burr6,
carr6,
curr6,
dura5,
durr5,
3 letter words:
kaf10,
kab9,
dak8,
fab8,
fub8,
ark7,
auk7,
cab7,
cub7,
fad7,
fud7,
arf6,
bad6,
bud6,
cad6,
cud6,
dab6,
dub6,
far6,
fur6,
arb5,
arc5,
bar5,
bra5,
brr5,
bur5,
car5,
cru5,
cur5,
rub5,
urb5,
rad4,
urd4,
2 letter words:
ka6,
fa5,
ab4,
ba4,
ad3,
ar2,