raper[6], reper[6],
para[5], rapa[5], pera[5], repa[5], parr[5],
par[4], rap[4], per[4], rep[4], prr[4], ara[3], era[3], rea[3],
pa[3], pe[3], aa[2], ee[2], ar[2], er[2], re[2],
