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Error when speaking integer names

Strange error with Speak. Listen to what this says:

IntegerName[76,"Words"]
Speak[%]

My computer says "seventy". But now type in the integer name:

Speak["seventy-six"]

Now I hear seventy six. Can anyone explain what is going on here? I am running Mathematica 12.1.1 under Mac OS Big Sur 11.0.1.
POSTED BY: John Shonder
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Thanks everyone. By the way this bug is even stranger when you try it on Wolfram Cloud. The output of Speak[IntegerName[76,"Words"]] includes the six, but changes the pronunciation of seventy (as compared with Speak[IntegerName[70,"Words"]] ).
POSTED BY: John Shonder
Rohit Namjoshi
Rohit Namjoshi
Posted 3 years ago

Hi John,

Looks like a bug, you should report it to Wolfram Support. The first case does not work because

IntegerName[76, "Words"] // FullForm
(* seventy\[Hyphen]six *)

Speak should be able to deal with hyphenated words.
POSTED BY: Rohit Namjoshi
Joel Klein
Joel Klein, WOLFRAM
Posted 3 years ago

You can work around this by replacing the hyphens:

numberText = IntegerName[76]
Speak[StringReplace[numberText, "\[Hyphen]" -> "-"]]
POSTED BY: Joel Klein
Joel Klein
Joel Klein, WOLFRAM
Posted 3 years ago

The output of IntegerName is using a hyphen character, but the second input uses a dash. Speak must be having a problem with the hyphen.

I saw this by going to the output cell for IntegerName and using Ctrl-Shift-E to reveal the underlying box structure, and as soon as I saw \[Hyphen] I suspected that was going to be the difference.
POSTED BY: Joel Klein

I can reproduce the same problem with Wolfram Desktop 12.1.1
POSTED BY: Ahmed Elbanna
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