Perfect intervals: Perfect 4th, perfect 5th, perfect unison, perfect octave.
Major intervals: Major 2nd, major 3rd, major 6th, major 7th.
Minor intervals: Minor 2nd, minor 3rd, minor 6th, minor 7th.
Diminished intervals: Diminished (2, 3, 4, 5, 6, 7)
Augmented intervals: Augmented (2, 3, 4, 5, 6, 7)
Compound Intervals: 9th = (7th + 2nd), 11th = (7th + 4th)