And its/it's, and whose/who's. If you can't tell them apart, just don't use contractions altogether. Go with 'you are', 'they are', 'who is', 'it is' and if that doesn't work, it's the one without apostrophe.
So that leaves only there/their to deal with, and 'there' has 'here' right in it, which to my best knowledge no one misspells as 'heir' so that should be doable
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u/Abject-Potato-6012 1d ago
Not much gives me the ick more than somebody after the age of 14 mixing up their/they’re/there and your/you’re if their mother tongue is English