ref[7], fez[7], che[6], ech[6], hec[6], hem[6], her[5], cer[4], mer[4], rem[4], cez[4], cze[4], zer[3],
ef[6], fe[6], hm[5], eh[4], he[4], ce[3], em[3], me[3], er[2], re[2], ez[2], ze[2],
