duh[8], idu[6], duo[6], udo[6], dur[6], rud[6], urd[6], hoi[5], hor[5], rho[5], rui[5], oru[5], doi[4], ido[4], odr[4], ord[4], rod[4], roi[3],
hu[6], ud[5], hi[4], ho[4], oh[4], id[3], do[3], od[3], ii[2], or[2], ro[2],