7 letter words:
runback15,
6 letter words:
chabuk17,
chukar15,
buckra14,
branch13,
brunch13,
raunch11,
5 letter words:
chark14,
chunk14,
brach12,
bunch12,
brank11,
burka11,
crank11,
churn10,
nucha10,
ranch10,
knaur9,
buran7,
unbar7,
urban7,
4 letter words:
hack13,
huck13,
back12,
buck12,
ankh11,
bach11,
chub11,
haku11,
hank11,
hark11,
hunk11,
khan11,
bank10,
bark10,
bunk10,
cark10,
kbar10,
rack10,
ruck10,
arch9,
buhr9,
char9,
habu9,
carb8,
crab8,
curb8,
karn8,
knar8,
knur8,
kuna8,
nark8,
raku8,
rank8,
barn6,
bran6,
buna6,
bura6,
burn6,
carn6,
curn6,
narc6,
3 letter words:
kab9,
bah8,
hub8,
ark7,
auk7,
cab7,
cub7,
hun6,
nah6,
rah6,
arb5,
arc5,
ban5,
bar5,
bra5,
bun5,
bur5,
can5,
car5,
cru5,
cur5,
nab5,
nub5,
rub5,
urb5,
ran3,
run3,
urn3,
2 letter words:
ka6,
ah5,
ha5,
uh5,
ab4,
ba4,
an2,
ar2,
na2,
nu2,
un2,