does sudden have a short u

No, the word "sudden" does not have a short "u" sound. It has a long "u" sound, as in the word "tune."

does witch have a short which

No, the word "witch" does not have a short "which" sound. It has a short "i" sound, as in the word "sit."

does which have a short u

No, the word "which" does not have a short "u" sound. It has a short "i" sound, as in the word "sit."

does city have a short u

No, the word "city" does not have a short "u" sound. It has a short "i" sound, as in the word "sit."

does article have a short u

No, the word "article" does not have a short "u" sound. It has a short "i" sound, as in the word "sit."