Ari Knobler:
No offense intended, but most of the things you mentioned,
I never heard of before, over the past 40 years.
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“Yumptif” is very wrong; the correct pronunciation is Yom Tov or Yom Tob.
There is no “Peh” and no “Pheh” anywhere in Yom Tov or Yom Tob.
“Yumptif” is the pronunciation off illiterate Jews who do not read Hebrew.
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If you listen to people carefully, you will eventually notice
that they pronounce difference vowels the same way,
even within the same word.
If you listen to people carefully, you will eventually notice
that they pronounce the same vowels different ways,
even within the same word.