pech[8], help[8], chen[7], spec[6], scen[5], pens[5], less[5], seps[5], sens[4],
che[6], ech[6], hec[6], hel[6], hep[6], cel[5], cle[5], lec[5], hen[5], cep[5], lep[5], pel[5], ple[5], hes[5], cen[4], cne[4], len[4], nep[4], pen[4], ces[4], sep[4], pss[4], sen[3],
eh[4], he[4], ce[3], el[3], pe[3], en[2], es[2], se[2],
