żwiru[11],
żwir[8], uroi[6], uowi[6], wiru[6], rowu[6], woru[6],
żur[9], rui[5], oru[5], roi[3], iwo[3], owi[3], wio[3], wir[3], rwo[3],
iż[6], oż[6], wu[4], or[2], ro[2], iw[2],
