birg[7], kirr[7], kirs[7], kris[7], birr[6], ibis[6], bris[6], giri[5], girr[5], iris[4], sirr[4],
gib[6], kir[6], ski[6], brr[5], bis[5], gis[4], irr[3], sir[3],
bi[4], si[2],
