hondo[8],
chno[7], chon[7], hond[7], codo[6],
hoc[6], och[6], cod[5], doc[5], oho[5], noc[4], dno[4], don[4], odo[4], ono[3],
ho[4], oh[4], co[3], do[3], od[3], no[2], on[2],
