5 letter words:
black13,
block13,
cloak11,
4 letter words:
back12,
bock12,
balk10,
calk10,
lack10,
lock10,
bloc8,
kola8,
bola6,
calo6,
coal6,
cola6,
loca6,
3 letter words:
kab9,
kob9,
cab7,
cob7,
koa7,
oak7,
oka7,
abo5,
alb5,
bal5,
boa5,
col5,
lab5,
lac5,
lob5,
oba5,
oca5,
2 letter words:
ka6,
ab4,
ba4,
bo4,
al2,
la2,
lo2,