8 letter words:
rollback16,
6 letter words:
collar8,
5 letter words:
black13,
block13,
brock13,
cloak11,
croak11,
carbo9,
carob9,
cobra9,
bolar7,
boral7,
carol7,
claro7,
coral7,
labor7,
lobar7,
local7,
loral5,
4 letter words:
back12,
bock12,
balk10,
bark10,
bork10,
calk10,
cark10,
cork10,
kbar10,
lack10,
lock10,
rack10,
rock10,
bloc8,
carb8,
crab8,
kola8,
kora8,
lark8,
okra8,
arco6,
ball6,
boar6,
bola6,
boll6,
bora6,
call6,
calo6,
carl6,
coal6,
cola6,
loca6,
orca6,
olla4,
oral4,
roll4,
3 letter words:
kab9,
kob9,
ark7,
cab7,
cob7,
koa7,
kor7,
oak7,
oka7,
abo5,
alb5,
arb5,
arc5,
bal5,
bar5,
boa5,
bra5,
bro5,
car5,
col5,
cor5,
lab5,
lac5,
lob5,
oba5,
oca5,
orb5,
orc5,
rob5,
roc5,
all3,
lar3,
oar3,
ora3,
2 letter words:
ka6,
ab4,
ba4,
bo4,
al2,
ar2,
la2,
lo2,
or2,