he/him/his/himself/himself

• This morning, (he) went to the park.
• I went with (him).
• And he brought (his) frisbee.
• At least I think it was (himself).
• By the end of the day, (he) started throwing the frisbee to (himself).

they/them/their/theirs/themself

• This morning, (they) went to the park.
• I went with (them).
• And he brought (their) frisbee.
• At least I think it was (themself).
• By the end of the day, (they) started throwing the frisbee to (themself).

star/star/stars/stars/starself

• This morning, (star) went to the park.
• I went with (star).
• And he brought (stars) frisbee.
• At least I think it was (stars).

he/him/his/his/himself

• This morning, (he) went to the park.
• I went with (him).
• And he brought (his) frisbee.
• At least I think it was (his).
• By the end of the day, (he) started throwing the frisbee to (himself).