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:
['h', 'i', 'e', '319', 'g', '187', '395', 'f', '327', 'y']
answer:
1, 2, 3, 5, 7, 8, 9


question:
['131', '483', 'k', '387', '451', 'j']
answer:
1, 3, 4, 5, 7, 8


question:
['479', '417', 'w', '103', '391', 'o', '399', '125', 'k', 'i', 'm', '393', '417', '35']
answer:

0, 1, 2, 3, 4, 5, 7, 9