afer[8], dera[5], rade[5], reda[5],
efa[7], arf[7], far[7], raf[7], ref[7], frr[7], dar[4], rad[4], der[4], red[4], drr[4], era[3], rea[3],
fa[6], ef[6], fe[6], ad[3], da[3], de[3], ar[2], er[2], re[2],
