The correct answer is F,Dm,Bb,Gm,C,Am. These are the chords that are commonly used in the key of F major. In the key of F major, the chords are F (the tonic), Dm (the supertonic), Bb (the mediant), Gm (the subdominant), C (the dominant), and Am (the submediant). These chords are derived from the notes of the F major scale, which are F, G, A, Bb, C, D, and E. Each chord is built by taking every other note from the scale and stacking them in thirds.