pfe[8], fen[7], nef[7], fes[7], cep[5], cen[4], cne[4], den[4], end[4], nep[4], pen[4], ces[4], des[4], sep[4], sen[3],
ef[6], fe[6], ce[3], de[3], pe[3], en[2], es[2], se[2],
