8 letter words:
conurban12,
6 letter words:
carbon10,
corban10,
cornua8,
unborn8,
5 letter words:
bacon9,
banco9,
bronc9,
bunco9,
carbo9,
carob9,
coarb9,
cobra9,
courb9,
acorn7,
ancon7,
baron7,
borna7,
bourn7,
buran7,
canon7,
cornu7,
narco7,
racon7,
unban7,
unbar7,
urban7,
4 letter words:
banc8,
carb8,
crab8,
curb8,
arco6,
barn6,
baur6,
boar6,
bona6,
bora6,
born6,
boun6,
bran6,
buna6,
bunn6,
bura6,
burn6,
cann6,
carn6,
conn6,
corn6,
cour6,
cran6,
curn6,
narc6,
orca6,
unco6,
anno4,
anon4,
nona4,
noun4,
ourn4,
raun4,
roan4,
urao4,
3 letter words:
bac7,
cab7,
cob7,
cub7,
abo5,
arb5,
arc5,
ban5,
bar5,
boa5,
bon5,
bor5,
bra5,
bro5,
bru5,
bun5,
bur5,
can5,
car5,
con5,
cor5,
cru5,
cur5,
nab5,
nob5,
nub5,
oba5,
oca5,
orb5,
orc5,
rob5,
roc5,
rub5,
ruc5,
urb5,
ann3,
nan3,
non3,
nor3,
nun3,
nur3,
oar3,
ora3,
our3,
ran3,
run3,
urn3,
2 letter words:
ab4,
ba4,
bo4,
ob4,
an2,
ar2,
na2,
no2,
nu2,
on2,
or2,
ou2,
un2,
ur2,