6 letter words:
cochin13,
5 letter words:
chico12,
cinch12,
conch12,
chino10,
conic9,
4 letter words:
chic11,
chin9,
chon9,
inch9,
cion6,
coin6,
coni6,
icon6,
3 letter words:
chi8,
hic8,
ich8,
hin6,
hon6,
noh6,
con5,
ion3,
2 letter words:
hi5,
ho5,
oh5,
in2,
no2,
oi2,
on2,
