Dynamic pronoun

My pronouns are:

Which are used like this:

• subjectPronoun went to the park.
• I went with objectPronoun.
• subjectPronoun brought possessiveDeterminer frisbee.
• At least I think it was possessivePronoun.
• subjectPronoun threw the frisbee to reflexive.

And can be referenced at:
http://pronoun.is/subjectPronoun/objectPronoun/possessiveDeterminer/possessivePronoun/reflexive