arfa[8], fara[8], rafa[8], afer[8], fair[8], efir[8], aria[4], arie[4], arii[4],
efa[7], fai[7], arf[7], far[7], raf[7], ref[7], ara[3], era[3], rea[3], air[3], rai[3], rei[3],
fa[6], ef[6], fe[6], fi[6], aa[2], ii[2], ar[2], er[2], re[2],