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: ['189', 'z']

Answer: 1, 8, 9


Question: ['x', 'a', '381', 'k', 'n', 'm', '267', 'r', '193', 'f', 'h', 'r', '327', 'i', 'h']

Answer: 1, 2, 3, 6, 7, 8, 9


Question: ['t', '109', '379', '415', 'y', 'n', 'y', 's', '285', 'p', '197', '349']

Answer:
0, 1, 2, 3, 4, 5, 7, 8, 9