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.
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Question: ['291', '445', 'q', 't']

Answer: 1, 2, 4, 5, 9


Question: ['345', 'h', '9']

Answer: 3, 4, 5, 9


Question: ['379', 'z', 'i', 'l', '105', '247', '383', 'r', 'e']

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