oa Definition

organization of american states, aea, oea, oau, organization, wass, aeo, eaa, eao, inter-american, old-age, saa, vsp, chatoyant, involution, monophthong, real, spermatic, aa, a, ab, ac, ae, af, ap, b, cb, cd, ch, chronic, diffuse, ef, fig, fr, gc, ifn, ii, io, lll, mn, ob, oc, oe, osteoarthritis, osteoarthrosis, ot, pp, pq, q, r, rr, sp, tt, u,