inni[4], insi[4], sini[4], iwin[4], wini[4], siwi[4], wisi[4],
inr[3], sir[3], wii[3], niw[3], win[3], wir[3], siw[3], wis[3], wsi[3],
ii[2], in[2], ni[2], si[2], iw[2],
