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:
['k', '233', 'h', 'd', 's', '83', '149', 'p', 'm']
answer:
1, 2, 3, 4, 8, 9


question:
['i', '325', '117', 'k', 'y', 'x', '49', '349', '477', 'u', '435']
answer:
1, 2, 3, 4, 5, 7, 9


question:
['379', 'y', '445', 'g', 'j', 'd', 'h', 'm', 'j', 'h', '49', '309']
answer:

0, 3, 4, 5, 7, 9