cech[8], chce[8], pech[8], eche[7], hece[7], weck[6], wece[5],
che[6], ech[6], hec[6], hep[6], ehe[5], cek[5], cep[5], cew[4], wek[4], ewe[3],
eh[4], he[4], ce[3], pe[3], ee[2], ew[2], we[2],
