neper[6], pener[6], reper[6], rener[5],
nepu[7], puer[7], repu[7], renu[6], uren[6], nerp[5],
pun[6], nur[5], run[5], urn[5], rur[5], nep[4], pen[4], per[4], rep[4], prr[4], ner[3], ren[3],
nu[4], pe[3], ee[2], en[2], er[2], re[2],
