6 letter words:
choice13,
echoic13,
5 letter words:
check16,
chick16,
chock16,
choke14,
hoick14,
chico12,
4 letter words:
chik13,
heck13,
hick13,
hock13,
cock12,
chic11,
choc11,
coch11,
hike11,
hoik11,
hoke11,
hoki11,
okeh11,
coke10,
echo9,
oche9,
ecco8,
3 letter words:
khi10,
ick9,
che8,
chi8,
ech8,
hic8,
hoc8,
ich8,
och8,
eik7,
koi7,
oik7,
oke7,
hie6,
hoe6,
hoi6,
eco5,
ice5,
2 letter words:
ch7,
ki6,
ko6,
eh5,
he5,
hi5,
ho5,
oh5,
io2,
oe2,
oi2,