bersa[7], esera[5],
bera[6], rabe[6], rebe[6], seba[6], bras[6], sabr[6], bers[6], sera[4], eser[4],
bee[5], arb[5], bar[5], rab[5], ber[5], erb[5], reb[5], brr[5], bas[5], era[3], rea[3], ars[3], ras[3], sra[3], ser[3],
ba[4], be[4], ee[2], ar[2], er[2], re[2], as[2], es[2], se[2],
