5 letter words:
cache12,
chare10,
reach10,
caeca9,
areca7,
4 letter words:
ache9,
arch9,
char9,
each9,
caca8,
ceca8,
haar7,
hare7,
hear7,
rhea7,
acre6,
care6,
race6,
area4,
3 letter words:
aah6,
aha6,
hae6,
her6,
rah6,
ace5,
arc5,
car5,
rec5,
are3,
ear3,
era3,
2 letter words:
ah5,
eh5,
ha5,
he5,
aa2,
ae2,
ar2,
er2,
re2,