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:
['269', 'f', '321', '175', '15', 'n', 'b', 'z', '53', 'p', 'x', '457', 'q', 'b']
answer:
1, 2, 3, 4, 5, 6, 7, 9


question:
['161', '433', '373', '225', '161', 'b', '179', '311', 'f', '325', 'y', 'c', 'h', '87']
answer:
1, 2, 3, 4, 5, 6, 7, 8, 9


question:
['481', '313', 'a', '359', 'p', '469', '153', 'k', '227', 'j']
answer:

1, 2, 3, 4, 5, 6, 7, 8, 9