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: ['w', '203', 'd', '133', 'i', 'j', 'd', 'u', 'u', 's', 'f', 'f', '221', '341', '299']

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


Question: ['165', 'k', 'a', 'v', 'u', '61', '327']

Answer: 1, 2, 3, 5, 6, 7


Question: ['l', 'w', '481', 'x', 'k', 'n', 'y', '85', '443']

Answer:
1, 3, 4, 5, 8