These are the packages that would be merged, in order:

Calculating dependencies ... done!
Dependency resolution took 1.03 s (backtrack: 0/20).

[ebuild  N     ] media-fonts/font-util-1.4.2::gentoo  150 KiB
[ebuild  N     ] x11-apps/fonttosfnt-1.2.5::gentoo  142 KiB
[ebuild  N     ] x11-apps/bdftopcf-1.1.2::gentoo  143 KiB
[ebuild  N     ] media-fonts/font-alias-1.0.6::gentoo  99 KiB
[ebuild  N     ] media-fonts/font-adobe-75dpi-1.0.4::gentoo  USE="X nls opentype-compat" 718 KiB
[ebuild  N     ] x11-wm/twm-1.0.13.1::gentoo  USE="(-selinux)" 267 KiB

Total: 6 packages (6 new), Size of downloads: 1516 KiB