5 letter words:
colza16,
chalk14,
black13,
block13,
cloak11,
chola10,
loach10,
4 letter words:
hack13,
hock13,
back12,
bock12,
bach11,
holk11,
kohl11,
lakh11,
balk10,
calk10,
lack10,
lock10,
blah9,
chao9,
loch9,
bloc8,
kola8,
halo7,
bola6,
calo6,
coal6,
cola6,
loca6,
3 letter words:
coz14,
azo12,
zoa12,
kab9,
kob9,
bah8,
hob8,
cab7,
cob7,
koa7,
oak7,
oka7,
hao6,
abo5,
alb5,
bal5,
boa5,
col5,
lab5,
lac5,
lob5,
oba5,
oca5,
2 letter words:
za11,
ka6,
ah5,
ha5,
ho5,
oh5,
ab4,
ba4,
bo4,
al2,
la2,
lo2,