efeb[10], efem[9], bece[7], becz[7], bzem[7], emce[6], beze[6], mecz[6],
fee[7], fez[7], bee[5], bez[5], mee[4], cez[4], cze[4],
ef[6], fe[6], be[4], ce[3], em[3], me[3], ee[2], ez[2], ze[2],
