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:
['r', '495', '383', 'd', '369', '323', 'e', 'c', '149', 'q', '487', 'q', 'c']
answer:
1, 2, 3, 4, 5, 6, 7, 8, 9


question:
['o', '235', '479', 'e', '199', 'c', '25', '59', 'g', '415', '201', '129', 'a', 'i', 'c']
answer:
0, 1, 2, 3, 4, 5, 7, 9


question:
['391', 'n', 'g', '51', '223', 'y', 'q', '187', '169', '43', '111', 'r']
answer:

1, 2, 3, 4, 5, 6, 7, 8, 9