5 letter words:
colza16,
alack11,
cloak11,
koala9,
coala7,
4 letter words:
calk10,
lack10,
lock10,
kola8,
calo6,
coal6,
cola6,
loca6,
3 letter words:
coz14,
azo12,
zoa12,
koa7,
oak7,
oka7,
col5,
lac5,
oca5,
aal3,
ala3,
2 letter words:
za11,
ka6,
aa2,
al2,
la2,
lo2,