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:
['233', '37', '221', 'n', 'j', 'y', '381', '175']
answer:
1, 2, 3, 5, 7, 8


question:
['159', 's', 'z', '85', 't', 'g']
answer:
1, 5, 8, 9


question:
['n', '381', 'j', '131', 'w', '365']
answer:

1, 3, 5, 6, 8