6 letter words:
cloaca10,
5 letter words:
acock13,
clack13,
clock13,
alack11,
cloak11,
cacao9,
koala9,
coala7,
4 letter words:
cock12,
calk10,
lack10,
lock10,
caca8,
coca8,
kola8,
calo6,
coal6,
cola6,
loca6,
3 letter words:
koa7,
oak7,
oka7,
col5,
lac5,
oca5,
aal3,
ala3,
2 letter words:
ka6,
aa2,
al2,
la2,
lo2,