chno[7], chon[7], tocz[6], noto[5], tono[5], ozon[4], zono[4],
hoc[6], och[6], hot[6], oho[5], noc[4], not[4], ton[4], oto[4], ono[3], zon[3], zoo[3],
ho[4], oh[4], co[3], ot[3], to[3], no[2], on[2], oz[2],
