8 letter words:
cachexia22,
5 letter words:
cache12,
chica12,
caeca9,
aecia7,
4 letter words:
chic11,
ache9,
chai9,
chia9,
each9,
caca8,
ceca8,
3 letter words:
hex13,
axe10,
chi8,
hic8,
ich8,
aah6,
aha6,
ahi6,
hae6,
hie6,
ace5,
ice5,
2 letter words:
ax9,
ex9,
xi9,
ah5,
eh5,
ha5,
he5,
hi5,
aa2,
ae2,
ai2,
