7 letter words:
chachka21,
6 letter words:
chalah14,
5 letter words:
chalk14,
clack13,
clach12,
alack11,
4 letter words:
hack13,
lakh11,
calk10,
haha10,
lack10,
caca8,
3 letter words:
hah9,
aah6,
aha6,
lac5,
aal3,
ala3,
2 letter words:
ka6,
ah5,
ha5,
aa2,
al2,
la2,