arsa[4], rasa[4], sera[4], eser[4], asas[4], sasa[4], eses[4], sers[4],
ara[3], era[3], rea[3], asa[3], ars[3], ras[3], sra[3], ser[3], sas[3],
aa[2], ee[2], ar[2], er[2], re[2], as[2], es[2], se[2],
