5 letter words:
cache12,
chace12,
chaco12,
coach12,
4 letter words:
choc11,
coch11,
ache9,
chao9,
each9,
echo9,
oche9,
ceca8,
coca8,
ecco8,
3 letter words:
ach8,
cha8,
che8,
ech8,
hoc8,
och8,
hae6,
hao6,
hoa6,
hoe6,
ace5,
eco5,
oca5,
2 letter words:
ch7,
ah5,
eh5,
ha5,
he5,
ho5,
oh5,
ae2,
ea2,
oe2,