Guitar chords in the key of D# or Eb:
Eb Fm Gm Ab Bb Cm Ddim

Chord Eb9-5 notes: Bbb, Eb, G, Db and F. (Bbb is B double flat or A).

You should not play the 6th string.

The guitar strings 5(Bbb) and 3(G) are left open.

Eb(D#) dominant 9th b5 guitar chord's alternative names: Eb7(b5,9), Eb9b5.

Steps: 1-3-b5-b7-9.
1(D#/Eb), 3(G), b5(A/Bbb), b7(C#/Db), 9(F).