9 letter words:
blackcock25,
6 letter words:
coccal12,
5 letter words:
acock13,
black13,
block13,
clack13,
clock13,
bacco11,
bocca11,
caboc11,
cloak11,
4 letter words:
back12,
bock12,
cock12,
balk10,
boak10,
calk10,
lack10,
lock10,
alko8,
bloc8,
coca8,
kola8,
alco6,
bola6,
calo6,
coal6,
cola6,
loca6,
3 letter words:
kak11,
bok9,
kab9,
kob9,
bac7,
cab7,
cob7,
koa7,
oak7,
oka7,
abo5,
alb5,
bal5,
boa5,
col5,
lab5,
lac5,
lob5,
oba5,
oca5,
2 letter words:
ka6,
ko6,
ab4,
ba4,
bo4,
ob4,
al2,
la2,
lo2,
