nn Definition

fc, xt, pf, azo, brno, diazo, diazonium, geminate, a, 0, aa, ap, arteries, artery, br, cms, d, description, e, ff, g, graph, ii, interval, io, k, n, nerve, nerves, o, pp, q, r, rt, s, sc, segment, sh, sl, sm, t, tr, tt, u, vein, w,