gt Definition

br, ag, imt, mhr, udp, more, eng, oed, satem, tau, ussr, 75, 71, 81, a, ap, at, b, d, e, ep, f, fl, fr, g, h, ii, io, iv, ix, j, l, m, o, pl, pp, s, sl, sp, t, tt, v, vi, vii, viii, w,