elf[8], fes[7], che[6], ech[6], hec[6], hel[6], hem[6], cel[5], cle[5], lec[5], mel[5], hes[5], ces[4], mes[4], sem[4],
ef[6], fe[6], hm[5], eh[4], he[4], ce[3], el[3], em[3], me[3], es[2], se[2],
