5 letter words:
chino10,
conin7,
4 letter words:
chin9,
chon9,
inch9,
cion6,
coin6,
coni6,
conn6,
icon6,
noni4,
3 letter words:
chi8,
hic8,
hoc8,
ich8,
och8,
hin6,
hoi6,
hon6,
noh6,
con5,
inn3,
ion3,
non3,
2 letter words:
ch7,
hi5,
ho5,
oh5,
in2,
io2,
no2,
oi2,
on2,