5 letter words:
chafe13,
cache12,
chace12,
chaco12,
coach12,
4 letter words:
chef12,
hech12,
choc11,
coch11,
hoha10,
ache9,
cafe9,
chao9,
each9,
echo9,
face9,
oche9,
ceca8,
coca8,
ecco8,
3 letter words:
fah9,
feh9,
foh9,
hah9,
heh9,
hoh9,
ach8,
cha8,
che8,
ech8,
hoc8,
och8,
fae6,
foe6,
hae6,
hao6,
hoa6,
hoe6,
oaf6,
ace5,
eco5,
oca5,
2 letter words:
ch7,
ah5,
ef5,
eh5,
fa5,
fe5,
ha5,
he5,
ho5,
of5,
oh5,
ae2,
ea2,
oe2,