koce[6], rock[6], cero[5], orce[5], erko[5], kore[5], orek[5],
cek[5], koc[5], eko[4], cer[4], ker[4], rek[4], kor[4], kro[4], okr[4], ork[4], rok[4], ero[3],
ce[3], co[3], ko[3], ok[3], eo[2], er[2], re[2], or[2], ro[2],
