rapera[7], preria[7], rapier[7],
rapie[6], raper[6],
para[5], rapa[5], pera[5], repa[5], peri[5], parr[5], aria[4], arie[4],
pai[4], pia[4], pie[4], par[4], rap[4], per[4], rep[4], prr[4], ara[3], era[3], rea[3], air[3], rai[3], rei[3],
pa[3], pe[3], pi[3], aa[2], ar[2], er[2], re[2],
