arie[4], asie[4], sera[4], rias[4], sari[4], siar[4], sire[4],
era[3], rea[3], air[3], rai[3], rei[3], ais[3], sia[3], eis[3], sie[3], ars[3], ras[3], sra[3], ser[3], sir[3],
ar[2], er[2], re[2], as[2], es[2], se[2], si[2],
