udoi[7], widu[7], uowi[6], diwo[5], doiw[5], dwoi[5],
idu[6], duo[6], udo[6], dwu[6], doi[4], ido[4], diw[4], wid[4], iwo[3], owi[3], wio[3],
ud[5], wu[4], id[3], do[3], od[3], iw[2],
