Why did John Wells need three lexical sets--NORTH, FORCE and THOUGHT--for the same vowel /ɔː/?

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Music by Eric Matyas
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Track title: Over Ancient Waters Looping

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Chapters
00:00 Why Did John Wells Need Three Lexical Sets--North, Force And Thought--For The Same Vowel /ɔː/?
01:55 Accepted Answer Score 23
03:14 Answer 2 Score 8
04:07 Thank you

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Tags
#pronunciation #britishenglish #vowels

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