pean[5], pena[5], pera[5], repa[5], pran[5], nerp[5], aren[4], nera[4], rena[4],
nap[4], pan[4], nep[4], pen[4], par[4], rap[4], per[4], rep[4], era[3], rea[3], nar[3], ran[3], ner[3], ren[3],
pa[3], pe[3], na[2], en[2], ar[2], er[2], re[2],
