echo[7], heco[7], choi[7], cizi[5], cezo[5], ozie[4], ozoi[4],
che[6], ech[6], hec[6], chi[6], ich[6], hoc[6], och[6], hoi[5], oho[5], cie[4], cez[4], cze[4], czi[4], ezo[3], zoo[3],
eh[4], he[4], hi[4], ho[4], oh[4], ce[3], ci[3], co[3], ii[2], eo[2], ez[2], ze[2], oz[2],
