Pronoun Island: they/them and e/em examples

Here are some example sentences using my they/them pronouns:

They went to the park.

I went with them.

They brought their frisbee.

At least I think it was theirs.

They threw the frisbee to themselves.

Here are some example sentences using my e/em pronouns:

E went to the park.

I went with em.

E brought eir frisbee.

At least I think it was eirs.

E threw the frisbee to emself.