bek[6], cek[5], ben[5], ber[5], erb[5], reb[5], web[5], cen[4], cne[4], cer[4], ker[4], rek[4], cew[4], wek[4], ner[3], ren[3], wen[3], rew[3], wre[3],
be[4], ce[3], en[2], er[2], re[2], ew[2], we[2],
