5 letter words:
colza16,
chalk14,
alack11,
cloak11,
chola10,
loach10,
koala9,
aloha8,
coala7,
4 letter words:
hack13,
hock13,
holk11,
kohl11,
lakh11,
calk10,
lack10,
lock10,
chao9,
loch9,
kola8,
halo7,
calo6,
coal6,
cola6,
loca6,
3 letter words:
coz14,
azo12,
zoa12,
koa7,
oak7,
oka7,
aah6,
aha6,
hao6,
col5,
lac5,
oca5,
aal3,
ala3,
2 letter words:
za11,
ka6,
ah5,
ha5,
ho5,
oh5,
aa2,
al2,
la2,
lo2,