nieb[6], brei[6], brie[6], birr[6], brew[6], brwi[6], rwie[4], nerw[4],
ben[5], bin[5], ibn[5], ber[5], erb[5], reb[5], brr[5], web[5], nie[3], rei[3], ner[3], ren[3], inr[3], wie[3], wen[3], niw[3], win[3], rew[3], wre[3], wir[3], wrr[3],
be[4], bi[4], en[2], in[2], ni[2], er[2], re[2], ew[2], we[2], iw[2],
