chno[7], chon[7], soch[7], host[7], noto[5], tono[5], stoo[5],
hoc[6], och[6], hot[6], oho[5], noc[4], soc[4], not[4], ton[4], oto[4], sto[4], ono[3], nos[3], son[3], oso[3],
ho[4], oh[4], co[3], ot[3], to[3], ts[3], no[2], on[2], os[2],
