H₂O 1₁₀–1₀₁ (blue) and CO 16–15 (red) line profiles for all sources shown individually. The spectra have been rebinned to 3 km s^-1 channels. The central 2 km s^-1 have been masked out because of self-absorption in the H₂O line, and are not shown. The vertical dotted line is for 0 km s^-1 and the horizontal dashed line is the baseline. Both the H₂O and CO spectra have been scaled for clarity, with the scaling factor shown in each plot.