Xe went to the park.
I went with xem.
Xe brought xyr frisbee.
At least I think it was xyrs.
Xe threw the frisbee to xemself.
Fae went to the park.
I went with faer.
Fae brought faer frisbee.
At least I think it was faers.
Fae threw the frisbee to faerself.
It went to the park.
I went with it.
It brought its frisbee.
At least I think it was its.
It threw the frisbee to itself.