234 Recognized chords
T= constituent notes of the chord = can be used as tension
4-note
TT
Minor 7th
3-note
T
4-note
T T
Minor-Major 7th
3-note
T
3-note
T
T
Diminished
4-note
TT
Diminished Major 7th
4-note
TTT
Minor 7th 5
3-note
T
T
Augmented
4-note
TT T
T
Augmented 7th
4-note
TT T
T
Augmented Major 7th
No 3rd, no 5th
No 3rd
1-note2-note
3-note
T T
Minor
2-note
T
4-note
T T
Minor 6th