Case Endings (III) Song

The -r -s -o -x -l -a -n -c -e -t…
gives -em… -l -a -n -c -e -t…
of the -is…
to the -ī…
in the -e or -ī.

The -ēs -a -ia…
give -ēs -a -ia…
of the -um… -ium…
to the -ibus…
in -ibus.