obuwi[9],
uboi[8], upoi[7], piwu[7], uowi[6], piwo[5], wpoi[5],
pub[8], obu[7], piu[6], opu[6], boi[5], obi[5], poi[4], piw[4], iwo[3], owi[3], wio[3],
bu[6], bi[4], bo[4], wu[4], pi[3], op[3], po[3], iw[2],
