idowi[6], widio[6], wdowi[6],
diwo[5], doiw[5], dwoi[5],
doi[4], ido[4], diw[4], wid[4], wii[3], iwo[3], owi[3], wio[3], wow[3],
id[3], do[3], od[3], ii[2], iw[2],
