7 letter words:
runback15,
6 letter words:
buckra14,
nickar12,
unbark12,
brucin10,
anuric8,
uranic8,
5 letter words:
brack13,
brick13,
brank11,
brink11,
burka11,
crank11,
krubi11,
baric9,
cabin9,
kauri9,
knaur9,
nikau9,
rabic9,
abrin7,
auric7,
bairn7,
brain7,
bruin7,
bunia7,
buran7,
burin7,
cairn7,
curia7,
incur7,
naric7,
nubia7,
rubai7,
rubin7,
runic7,
unbar7,
uncia7,
urban7,
urbia7,
nairu5,
4 letter words:
back12,
buck12,
bank10,
bark10,
bauk10,
bink10,
birk10,
brak10,
brik10,
buik10,
bunk10,
burk10,
cark10,
cauk10,
kbar10,
knub10,
krab10,
nabk10,
nick10,
rack10,
rick10,
ruck10,
akin8,
banc8,
carb8,
crab8,
crib8,
curb8,
ikan8,
kain8,
karn8,
kina8,
kirn8,
knar8,
knur8,
kuia8,
kuna8,
kuri8,
naik8,
nark8,
raik8,
raki8,
raku8,
rank8,
rink8,
abri6,
bani6,
barn6,
baur6,
bran6,
brin6,
buna6,
bura6,
burn6,
cain6,
carn6,
cran6,
curn6,
narc6,
rabi6,
riba6,
unci6,
uric6,
airn4,
rain4,
rani4,
raun4,
ruin4,
unai4,
3 letter words:
ick9,
kab9,
ark7,
auk7,
bac7,
cab7,
cub7,
ink7,
irk7,
kai7,
kin7,
kir7,
arb5,
arc5,
ban5,
bar5,
bin5,
bra5,
bru5,
bun5,
bur5,
can5,
car5,
cru5,
cur5,
nab5,
nib5,
nub5,
rib5,
rub5,
ruc5,
urb5,
ain3,
air3,
ani3,
nur3,
rai3,
ran3,
ria3,
rin3,
run3,
uni3,
urn3,
2 letter words:
ka6,
ki6,
ab4,
ba4,
bi4,
ai2,
an2,
ar2,
in2,
na2,
nu2,
un2,
ur2,