No. It has a short A sound and a short I sound (man-ij). The E has no sound.
It is the short e sound
Yes. The first A has a short A sound (mahn) and the second has a short I sound (ij).
No. The E has a long E sound, as in he, me, and we.
Yes. The E has a short E sound as in rest and bed.
No, the word "jet" does not have a short e sound. It is pronounced with a short e sound, as in "eh."
No. There is a short U sound, and the A has a short I sound, but the E is silent.
Yes. The E has a short E sound as in net and test.
Yes. The short "e" sound is the "eh" sound. The long E sound is heard in the contraction she'll.
No. There is no E or E sound. The I has a short I sound and the A is a schwa-R (ur).
Yes. It has a short E sound as in bet and let.
Yes. The E has a short E sound as in beg and peg.
Yes, the pronunciation of "seven" includes a short e sound.