cofce[11], focie[10], occie[7], ociec[7],
cify[10], foce[9], cyce[7], ciec[6],
cif[8], efy[8], efo[7], cyc[6], cyi[5], cie[4],
ef[6], fe[6], fi[6], ce[3], ci[3], co[3], eo[2],
