HeliodoR wrote:
u in up u in pun o in from a in delta "uh" when someoune says: "Uh, I don't know."Those are {a} sounds.Schwa is what You don't ever pronounce clearly.
I don't think of the short u as being like a schwa except when it is very short. Therefore I'd pronounce the second syllable in "delta" as a schwa (except when I'm being precise) and the others as a short u. Hal