esera[5], arsie[5], rasie[5], seria[5], serie[5], serir[5], sierr[5],
arie[4], asie[4], esie[4], sera[4], eser[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],
ee[2], ar[2], er[2], re[2], as[2], es[2], se[2], si[2],
