nosi[4], osin[4], sino[4], niwo[4], nowi[4], wino[4], woni[4], siwo[4], sowi[4], swoi[4], wsio[4],
ino[3], oni[3], osi[3], sio[3], soi[3], nos[3], son[3], niw[3], win[3], iwo[3], owi[3], wio[3], won[3], siw[3], wis[3], wsi[3],
in[2], ni[2], no[2], on[2], si[2], os[2], iw[2],
