chno[7], chon[7],
mhm[7], hoj[7], hoc[6], och[6], mho[6], ohm[6], com[5], moc[5], jon[5], noc[4], mon[4], nom[4], non[3],
hm[5], ho[4], oh[4], oj[4], co[3], om[3], no[2], on[2],
