arce[5], cera[5], race[5], sacr[5], serc[5], sera[4],
car[4], rac[4], cer[4], ces[4], era[3], rea[3], ars[3], ras[3], sra[3], ser[3],
ce[3], ar[2], er[2], re[2], as[2], es[2], se[2],
