foce[9], cech[8], chce[8], hecy[8], ochy[8], echo[7], heco[7], cyce[7], hoye[7], hoyo[7],
efy[8], efo[7], hyc[7], che[6], ech[6], hec[6], hoc[6], och[6], cyc[6], hoy[6], oho[5],
ef[6], fe[6], eh[4], he[4], ho[4], oh[4], ce[3], co[3], eo[2],
