dior[5], diwo[5], doiw[5], dwoi[5], drwi[5],
doi[4], ido[4], odr[4], ord[4], rod[4], diw[4], wid[4], roi[3], iwo[3], owi[3], wio[3], wir[3], rwo[3],
id[3], do[3], od[3], or[2], ro[2], iw[2],
