neper[6], pener[6],
berd[7], debr[7], rebe[6], eden[5], dren[5], nerd[5], nerp[5],
bee[5], ben[5], ber[5], erb[5], reb[5], den[4], end[4], nep[4], pen[4], der[4], red[4], per[4], rep[4], ner[3], ren[3],
be[4], de[3], pe[3], ee[2], en[2], er[2], re[2],
