dup[7], pud[7], idu[6], duo[6], udo[6], piu[6], opu[6], dip[5], pod[5], idy[5], ody[5], opy[5], doi[4], ido[4], poi[4],
ud[5], id[3], do[3], od[3], pi[3], op[3], po[3], ii[2],
