niwo[4], nowi[4], wino[4], woni[4], nowo[4],
ino[3], oni[3], ono[3], niw[3], win[3], iwo[3], owi[3], wio[3], won[3], owo[3], wow[3],
in[2], ni[2], no[2], on[2], iw[2],
