bord[7], drob[7], budo[7], drud[4],
bio[6], obi[6], bor[6], ido[4], iod[4], rod[4], roi[4], duo[4], dir[3], dur[3],
ob[5], bi[4], do[3], od[3], du[2], ud[2], ui[2], ur[2],
