Arrange the following letters in the grid above.
Ag, Al, Ar, As, At, Au, B, Ba, Be, Bh, Bi, Br, C, Ca, Cd, Cl, Co, Cr, Cs, Cu, Db, Ds, F, Fe, Fr, Ga, Ge, H, He, Hf, Hg, Hs, I, In, Ir, K, Kr, Li, Lr, Lu, Mg, Mn, Mo, Mt, N, Na, Nb, Ne, Ni, O, Os, P, Pb, Pd, Po, Pt, Ra, Rb, Re, Rf, Rg, Rh, Rn, Ru, S, Sb, Sc, Se, Sg, Si, Sn, Sr, Ta, Tc, Te, Ti, Tl, Uub, Uuh, Uuq, V, W, Xe, Y, Zn, Zr.