osia[4], siwa[4], wasi[4], wisa[4], siwi[4], wisi[4], owsa[4], sowa[4], siwo[4], sowi[4], swoi[4], wsio[4],
asa[3], ais[3], sia[3], osa[3], osi[3], sio[3], soi[3], iwa[3], wii[3], owa[3], iwo[3], owi[3], wio[3], swa[3], was[3], siw[3], wis[3], wsi[3],
aa[2], ii[2], as[2], si[2], os[2], iw[2],
