ovar[10], arve[9], rave[9], euro[5], roue[5], aare[4], aura[4], raue[4],
vor[9], ave[8], aar[3], ara[3], are[3], aua[3], aue[3], rau[3], reu[3], ure[3],
aa[2], ar[2], er[2], re[2], au[2], ur[2],
