dudy[9], dudo[8], uedy[8], udoi[7], diod[6], ideo[5],
dud[7], edu[6], ued[6], idu[6], duo[6], udo[6], idy[5], ody[5], deo[4], ode[4], doi[4], ido[4],
ud[5], de[3], id[3], do[3], od[3], eo[2],
