5 letter words:
coach12,
chaos10,
cocas9,
4 letter words:
hahs10,
hash10,
shah10,
cash9,
chao9,
cosh9,
coca8,
ocas6,
soca6,
3 letter words:
hah9,
shh9,
ahs6,
ash6,
hao6,
has6,
hos6,
ohs6,
sha6,
cos5,
oca5,
sac5,
2 letter words:
ah5,
ha5,
ho5,
oh5,
sh5,
as2,
os2,
so2,