obuwi[9],
uboi[8], webu[8], obie[6], webo[6], uowe[6], uowi[6],
obu[7], boi[5], obi[5], web[5], wie[3], ewo[3], owe[3], iwo[3], owi[3], wio[3],
bu[6], be[4], bi[4], bo[4], wu[4], eo[2], ew[2], we[2], iw[2],
