Op. 15, No. 1a (DBZ 1)
Op. 15W, No. 1a (DBZ 1w)
Op. 15, No. 1b (DBZ 2)
Op. 15W, No. 1b (DBZ 2w)
Op. 15, No. 1c (DBZ 3)
Op. 15W, No. 1c (DBZ 3w)
Op. 15, No. 1d (DBZ 4)
Op. 15W No. 1d (DBZ 4w)
Op. 15, No. 2 (for A / DBZ 5)
Op. 15, No. 2a (DBZ 6)
Op. 15W, No. 2a (DBZ 6w)
Op. 15, No. 2b (DBZ 7)
Op. 15W, No. 2b (DBZ 7w)
Op. 15, No. 2c (DBZ 8)
Op. 15W, No. 2c (DBZ 8w)
Op. 15, No. 2d (DBZ 9)
Op. 15W, No. 2d (DBZ 9w)