instruction:
In this task, you are given an input list A. You need to extract and sort the unique digits used in the list in ascending order. Return -1 if there is no digit in the list.
question:
['87', '139', 'y', '129', '255', '227', '103', 'j']
answer:
0, 1, 2, 3, 5, 7, 8, 9


question:
['381', '277', 'g', '307', 'p', '105', '341', 'o', '313', '5', '375', '145', 'k']
answer:
0, 1, 2, 3, 4, 5, 7, 8


question:
['239', 'z', '351', '27', 'l', '383', '3', '141', 'e', 'p', '25', '245', 'o', 'v']
answer:

1, 2, 3, 4, 5, 7, 8, 9