gong[8], cong[7], chno[7], chon[7], gnom[7],
hoc[6], och[6], mho[6], ohm[6], com[5], moc[5], gon[5], noc[4], mon[4], nom[4],
hm[5], go[4], ho[4], oh[4], co[3], om[3], no[2], on[2],
