chno[7], chon[7], mocz[6],
fon[7], hoc[6], och[6], mho[6], ohm[6], com[5], moc[5], noc[4], mon[4], nom[4], zon[3],
hm[5], ho[4], oh[4], co[3], om[3], no[2], on[2], oz[2],
