Vowel sounds

Which vowel sound is heard in the word "jam"?

Which vowel sound is heard in the word "soup"?

What vowel sound is heard in the word "butter"?

What vowel sound is heard in the word "trouble"?

What vowel sound is heard in the word "put"?

What vowel sound is heard in the word "heart"?

Which vowel sound is heard in the word "fat"?