Ero seems nice.
I gave eror my pencil.
This is eros book.
Ero told me that the book is eros.
Ero would rather do it eroself.

SubjectObjectPossessive determinerPossessive pronounReflexive
eroeroreroseroseroself

It seems nice.
I gave it my pencil.
This is its book.
It told me that the book is its.
It would rather do it itself.

SubjectObjectPossessive determinerPossessive pronounReflexive
itititsitsitself

A seems nice.
I gave B my pencil.
This is C book.
A told me that the book is D.
A would rather do it E.

SubjectObjectPossessive determinerPossessive pronounReflexive
ABCDE

A seems nice.
I gave B my pencil.
This is C book.
A told me that the book is D.
A would rather do it E.

SubjectObjectPossessive determinerPossessive pronounReflexive
ABCDE

They seems nice.
I gave them my pencil.
This is their book.
They told me that the book is theirs.
They would rather do it themselves.

SubjectObjectPossessive determinerPossessive pronounReflexive
theythemtheirtheirsthemselves

He seems nice.
I gave him my pencil.
This is his book.
He told me that the book is his.
He would rather do it himself.

SubjectObjectPossessive determinerPossessive pronounReflexive
hehimhishishimself