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

Calculating dependencies ... done!
Dependency resolution took 1.09 s (backtrack: 0/20).

[ebuild  N     ] dev-python/pypy-exe-bin-8.0.1:8.0.1::gentoo  10910 KiB
[ebuild  N     ] dev-lang/pypy-2.7.8.0.1:2.7/pypy-80::gentoo  USE="bzip2 gdbm jit ncurses sqlite -full-stdlib -tk" 21191 KiB
[ebuild  N     ] dev-lang/pypy3-exe-3.12.8.0.1:3.12.8.0.1::gentoo  USE="jit ncurses -low-memory" CPU_FLAGS_X86="sse2" 25637 KiB

Total: 3 packages (3 new), Size of downloads: 57738 KiB