pfe[8], efo[7], fez[7], hep[6], hop[6], ewo[3], owe[3], ezo[3], zew[3],
ef[6], fe[6], eh[4], he[4], ho[4], oh[4], pe[3], op[3], po[3], eo[2], ew[2], we[2], ez[2], ze[2], oz[2],
