6 letter words:
caches13,
5 letter words:
cache12,
aches10,
chase10,
4 letter words:
ache9,
cash9,
each9,
ceca8,
haes7,
shea7,
aces6,
case6,
3 letter words:
ahs6,
ash6,
hae6,
has6,
hes6,
sha6,
she6,
ace5,
sac5,
sec5,
sae3,
sea3,
2 letter words:
ah5,
eh5,
ha5,
he5,
sh5,
ae2,
as2,
es2,
