- it's
- let's
- that's
- we'd
- don't
- there's
- coach's
- coaches'
- man's
- men's
- you're
- she'd
- mustn't
- o'clock
- guide's
- guides'
- director's
- directors'
- city's
- cities'
Words to add to your my list:
- would've
- niece’s
- nieces’
- nieces
- country’s
- countries'
- countries
- salesman’s
- salesmen’s
- its
- ours
- witness’s
- witnesses’
- witnesses
- secretary’s
- secretaries’
- secretaries
- theirs
- hers
- should've
- could've
- might've
- must've
- you've
- you'll
- who'll
- what'll
- they'll
- she'll
- he'll
- mightn't
- what's
- who're
- shouldn't
- couldn't
- wouldn't
- won't
- who've
- millionaire's
- millionaires'
- roommate's
- roommates'
- New Year's Eve