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: ['415', '365', '373', 't', 'n']

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


Question: ['379', 'w', 'b', '385', '429', '3', '297', '297', 't', 'z', 'i', '207', 'e', 'a']

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


Question: ['y', 'f', 's', '95', '35', 'v', 'w', 'o', '353', '435', '351', 'k', 'm']

Answer:
1, 3, 4, 5, 9