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:
['c', '465', '147', 's', '113', 'd', 'c', '355']
answer:
1, 3, 4, 5, 6, 7


question:
['x', 'a', '381', 'k', 'n', 'm', '267', 'r', '193', 'f', 'h', 'r', '327', 'i', 'h']
answer:
1, 2, 3, 6, 7, 8, 9


question:
['l', '185', '413', 'r', '397']
answer:

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