Guitar chords in the key of E:
Chord E-5 notes: E, Bb, E, G# and E. You should not play the 2nd string.
The guitar strings 6(E) and 1(E) are left open.
E major diminished 5th guitar chord's alternative names: EMb5, Emajb5.
1(E), 3(G#/Ab), b5(A#/Bb).