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: ['f', '367', 'w', '227', '201', 'n', '213', '11']

Answer: 0, 1, 2, 3, 6, 7


Question: ['j', 'k']

Answer: -1


Question: ['j', 'x', 'm', '209', 'f', '63', 'e', '31', 'o', 'g', '461', 'x', 'e']

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