elf[8], fen[7], nef[7], fes[7], bel[6], ble[6], cel[5], cle[5], lec[5], ben[5], cen[4], cne[4], len[4], ces[4], sen[3],
ef[6], fe[6], be[4], ce[3], el[3], en[2], es[2], se[2],
