foce[9], echo[7], heco[7], koce[6],
fok[8], efo[7], che[6], ech[6], hec[6], hoc[6], och[6], cek[5], kek[5], koc[5], kok[5], eko[4],
ef[6], fe[6], eh[4], he[4], ho[4], oh[4], ce[3], co[3], ko[3], ok[3], eo[2],
