dudo[8], udoi[7], rodu[7], rudo[7], diod[6], uroi[6], dior[5],
dud[7], idu[6], duo[6], udo[6], dur[6], rud[6], urd[6], rui[5], oru[5], doi[4], ido[4], odr[4], ord[4], rod[4], roi[3],
ud[5], id[3], do[3], od[3], ii[2], or[2], ro[2],
