Circumstellar components of the narrow absorption features superimposed to the photospheric Ca II K and H lines, the Ti II doublet around 376.0 nm, and the Fe II line at 423.32 nm, for the same set of observations as in Fig. 4; the vertical solid red and blue lines and the dashed black line mark the same radial velocities as in that figure. The Gaussian decomposition clearly shows the presence of the S, D (solid red and blue lines), s, and d (dotted red and blue lines) components. The line identification with the wavelength in nm is included. See text for details.