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