uroi[6], ruro[6], uowi[6], wiru[6], rowu[6], woru[6],
rui[5], oru[5], rur[5], roi[3], iwo[3], owi[3], wio[3], wir[3], rwo[3], wrr[3],
wu[4], or[2], ro[2], iw[2],
