siwy[5], wisy[5], owsy[5], sowy[5], siwi[4], wisi[4], siwo[4], sowi[4], swoi[4], wsio[4],
osy[4], iwy[4], iii[3], osi[3], sio[3], soi[3], wii[3], iwo[3], owi[3], wio[3], siw[3], wis[3], wsi[3], wow[3],
wy[3], ii[2], si[2], os[2], iw[2],
