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: ['119', '329', 'w']

Answer: 1, 2, 3, 9


Question: ['401', 'a', '273', 'c', '117', 'x', 'b', 'h', 's', 'v']

Answer: 0, 1, 2, 3, 4, 7


Question: ['y', '29', '251', 'j', '199', 'i', '465', 't', '117', '9', '193', 'm']

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