C
no sharps no flats
F
one flats
B flat
two flats
E flat
three flats
A flat
four flats
D flat(also C sharp)
five flats
G flat (also F sharp)
six flats
C flat (also B natural)
five sharps
E
four sharps
A
three sharps
D
two sharps
G
one sharp
minor second interval
1
major second interval
2
Minor third
3
Major third
4
Perfect fourth
5
perfect fifth
7
Minor sixth
8
Major sixth
9
Minor seventh
10
Major Seventh
11
Perfect octave
12