pfe[8], pif[8], fen[7], nef[7], fin[7], pij[6], jen[5], jin[5], pie[4], nep[4], pen[4], nip[4], pin[4], pni[4], nie[3],
ef[6], fe[6], fi[6], ej[4], je[4], pe[3], pi[3], en[2], in[2], ni[2],
