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:
['l', '269', 'l', '379', '359']
answer:
2, 3, 5, 6, 7, 9


question:
['z', 'c', 'n', '351', 'f', '239', '71', '351', 'b', '1', '321', 'h', '163']
answer:
1, 2, 3, 5, 6, 7, 9


question:
['285', 'o', 'u', '13', 'v', '483', 'w', '363', 'x', '211', '487', '131', 'z', 'd', 'g']
answer:

1, 2, 3, 4, 5, 6, 7, 8