English is a universal language and the medium of instruction in school. In New Jersey, it's totally a different thing. One should practice or rehearse so that people there will listen to you and understand what you're saying.
Northern part
Southern part
Eastern part
Western part
"paash", "pall"
"peesh", "pell"
"poosh", "pool"
"piish", "piil"
"wadder"
"wood-er"
"wudder"
B & c
Long A
Long E
Long U
B & c
S
T
U
D
Hard
Normal
Soft
Moderate
A soft "ah".
A normal "oh"
A moderate "eh"
A quiet "uh"
Soft
Hard
Twisted
Twang
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Here's an interesting quiz for you.