cech[8], chce[8], echo[7], heco[7], koce[6],
che[6], ech[6], hec[6], hoc[6], och[6], cek[5], koc[5], oho[5], eko[4], oko[4],
eh[4], he[4], ho[4], oh[4], ce[3], co[3], ko[3], ok[3], eo[2],
