7 letter words:
runback15,
bunraku13,
6 letter words:
chabuk17,
chukar15,
buckra14,
nubuck14,
branch13,
brunch13,
raunch11,
dhurna10,
uncurb10,
auburn8,
5 letter words:
chark14,
chunk14,
brach12,
bunch12,
brank11,
burka11,
chard11,
crank11,
dunch11,
churn10,
drank10,
drunk10,
nucha10,
ranch10,
knaur9,
adunc8,
brand8,
buran7,
unbar7,
urban7,
4 letter words:
hack13,
huck13,
back12,
buck12,
dhak12,
ankh11,
bach11,
chub11,
duck11,
haku11,
hank11,
hark11,
hunk11,
khan11,
bank10,
bark10,
bunk10,
cark10,
chad10,
kbar10,
rack10,
ruck10,
arch9,
buhr9,
char9,
dank9,
dark9,
dunk9,
habu9,
kudu9,
carb8,
crab8,
curb8,
hand8,
hard8,
karn8,
knar8,
knur8,
kuna8,
kuru8,
nark8,
raku8,
rank8,
band7,
bard7,
baud7,
brad7,
bund7,
burd7,
card7,
crud7,
curd7,
darb7,
daub7,
drab7,
drub7,
barn6,
bran6,
buna6,
bura6,
burn6,
carn6,
curn6,
narc6,
darn5,
dura5,
durn5,
nard5,
nurd5,
rand5,
unau4,
3 letter words:
kab9,
bah8,
dak8,
hub8,
ark7,
auk7,
cab7,
cub7,
dah7,
duh7,
had7,
bad6,
bud6,
cad6,
cud6,
dab6,
dub6,
hun6,
nah6,
rah6,
arb5,
arc5,
ban5,
bar5,
bra5,
bun5,
bur5,
can5,
car5,
cru5,
cur5,
nab5,
nub5,
rub5,
urb5,
and4,
dan4,
dun4,
rad4,
urd4,
ran3,
run3,
urn3,
2 letter words:
ka6,
ah5,
ha5,
uh5,
ab4,
ba4,
ad3,
an2,
ar2,
na2,
nu2,
un2,