Oh I'll add the Estonian ones because we've got fun ones
Ü - pretty much does not exist in English, you might hear it in a weird dialect, apparently in the word "few" as spoken by scousers and some South Africans?
Õ - same preface, apparently you might hear a person from Cardiff pronounce "foot" this way or a southern USian might say "nut" this way, but I've never heard either.
Ö and Ä are the same as in Swedish and we do not have Å