bers[6], brew[6], brze[6], zebr[6], nerw[4], news[4], serw[4], wers[4], szer[4], wrze[4], zerw[4], szew[4], wesz[4], wsze[4],
ben[5], ber[5], erb[5], reb[5], web[5], bez[5], ner[3], ren[3], sen[3], ser[3], wen[3], rew[3], wre[3], swe[3], zen[3], zer[3], zew[3],
be[4], en[2], er[2], re[2], es[2], se[2], ew[2], we[2], ez[2], ze[2],
