ceną[9], nocą[9], cena[5], ceno[5], noce[5], ocen[5], eona[4],
cną[8], oną[7], cna[4], cen[4], cne[4], noc[4], ano[3], ona[3], eon[3], one[3],
ce[3], co[3], ee[2], na[2], en[2], eo[2], no[2], on[2],
