eche[7], hece[7], czek[6], kecz[6],
fee[7], fez[7], che[6], ech[6], hec[6], ehe[5], cek[5], cez[4], cze[4], zek[4],
ef[6], fe[6], eh[4], he[4], ce[3], ee[2], ez[2], ze[2],
