foce[9], koce[6], ceno[5], noce[5], ocen[5],
fok[8], fen[7], nef[7], efo[7], fon[7], cek[5], koc[5], cen[4], cne[4], eko[4], noc[4], nok[4], eon[3], one[3],
ef[6], fe[6], ce[3], co[3], ko[3], ok[3], en[2], eo[2], no[2], on[2],
