afer[8], arce[5], cera[5], race[5],
caf[8], efa[7], arf[7], far[7], raf[7], ref[7], car[4], rac[4], cer[4], era[3], rea[3],
fa[6], ef[6], fe[6], ce[3], ar[2], er[2], re[2],
