siwi[4], wisi[4], siwo[4], sowi[4], swoi[4], wsio[4],
fis[7], fos[7], sof[7], iii[3], osi[3], sio[3], soi[3], wii[3], iwo[3], owi[3], wio[3], siw[3], wis[3], wsi[3],
fi[6], ii[2], si[2], os[2], iw[2],
