pfe[8], efy[8], fee[7], fez[7], pyz[5], ewy[4], ezy[4], wyz[4], zwy[4], ewe[3], zew[3], zez[3],
ef[6], fe[6], pe[3], wy[3], ee[2], ew[2], we[2], ez[2], ze[2],
