That's highly accent dependent। I think I pronounce all three differently (Southern RP-ish (as in not farmer) BrE) but 'their' and 'they're' are close। Rhotic

That's highly accent dependent। I think I pronounce all three differently (Southern RP-ish (as in not farmer) BrE) but 'their' and 'they're' are close। Rhotic AmE though clearly distinguishes those, and I can imagine them all sounding similar in that sort of accent।