biur[8], bisu[8], brus[8], burs[8], ibis[6], rusi[6], brwi[6], wiru[6], wisu[6], siwi[4], wisi[4],
bru[7], bur[7], bus[7], bis[5], rui[5], siu[5], rus[5], sur[5], suw[5], sir[3], wii[3], wir[3], siw[3], wis[3], wsi[3],
bu[6], bi[4], su[4], wu[4], ii[2], si[2], iw[2],
