7 letter words:
charger13,
archaea12,
6 letter words:
charge12,
archer11,
aarrgh10,
5 letter words:
chare10,
charr10,
reach10,
aargh9,
gerah9,
cager8,
grace8,
areca7,
carer7,
racer7,
4 letter words:
ache9,
arch9,
char9,
each9,
agha8,
cage7,
crag7,
haar7,
hare7,
hear7,
rhea7,
acre6,
care6,
carr6,
race6,
agar5,
ager5,
gear5,
raga5,
rage5,
area4,
rare4,
rear4,
3 letter words:
hag7,
aah6,
aha6,
hae6,
her6,
rah6,
ace5,
arc5,
car5,
rec5,
aga4,
age4,
erg4,
gae4,
gar4,
rag4,
reg4,
are3,
ear3,
era3,
err3,
2 letter words:
ah5,
eh5,
ha5,
he5,
ag3,
aa2,
ae2,
ar2,
er2,
re2,