chen[7], cher[7], herc[7], henr[6], scen[5], serc[5],
che[6], ech[6], hec[6], hen[5], her[5], hes[5], cen[4], cne[4], cer[4], ces[4], ner[3], ren[3], sen[3], ser[3],
eh[4], he[4], ce[3], en[2], er[2], re[2], es[2], se[2],
