bond[7], chno[7], chon[7], hond[7], soch[7], dnom[6], mods[6], snob[6], sond[5], snom[5],
cob[6], bod[6], hoc[6], och[6], bom[6], mob[6], mho[6], ohm[6], cod[5], doc[5], com[5], moc[5], dom[5], mod[5], odm[5], bon[5], noc[4], dno[4], don[4], mon[4], nom[4], soc[4], osm[4], som[4], nos[3], son[3],
hm[5], bo[4], ho[4], oh[4], co[3], do[3], od[3], om[3], no[2], on[2], os[2],
