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:
['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:
['71', 't', '267', 'x', 'l', '95', '439', '51', 'i', '497', '469', 'k', '341', 'y']
answer:
1, 2, 3, 4, 5, 6, 7, 9


question:
['z', 'k', '385', 'i', '349', 'o']
answer:

3, 4, 5, 8, 9