brek[7], beks[7], lesb[7], kler[6], bers[6], serc[5], kres[5], kser[5], reks[5], rels[5],
bek[6], bel[6], ble[6], cek[5], cel[5], cle[5], lec[5], kel[5], kle[5], lek[5], ber[5], erb[5], reb[5], cer[4], ker[4], rek[4], ces[4], eks[4], ser[3],
be[4], ce[3], el[3], er[2], re[2], es[2], se[2],
