beeper[9], repera[7],
raper[6], reper[6],
bera[6], rabe[6], rebe[6], pera[5], repa[5], parr[5],
bee[5], arb[5], bar[5], rab[5], ber[5], erb[5], reb[5], brr[5], par[4], rap[4], per[4], rep[4], prr[4], era[3], rea[3],
ba[4], be[4], pa[3], pe[3], ee[2], ar[2], er[2], re[2],
