|5||x or Ab||11th fretfr.||optionalopt.|
Guitar chords in the key of D major:
Chord Ddim (9th fret) v.2 notes: (Ab), D, F and Ab. You must leave out the 6th and 1st strings.
The note Ab on the fifth string is not required, but can be played on the 11th fret if needed.
Ddim - D diminished triad guitar chord's alternative names: D°, D-5, Dm-5, and Ddim. See also: Ddim7 and Dm7b5.
1(D), b3(F), b5(G#/Ab).