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: ['397', 'x', 'e', '179', '105', '381']

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


Question: ['313', 'q', '355', 'y', 'b', '267', 'd', '253', '393', '409']

Answer: 0, 1, 2, 3, 4, 5, 6, 7, 9


Question: ['329', '29', 'h', 'w']

Answer:
2, 3, 9