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:
['f', 'u', 'd', '51', 'w', '449', 'z', '313', '153', 'z', '319']
answer:
1, 3, 4, 5, 9


question:
['z', 'v', 't', 'm', '51', 'e', 'l', 'l', '83', '301', '21', '347', 'm', '41', 'b']
answer:
0, 1, 2, 3, 4, 5, 7, 8


question:
['u', '385']
answer:

3, 5, 8