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: ['k', '413', '321', '209', 'k', '263']

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


Question: ['97', '147', 'j', 'm', 'c', '445']

Answer: 1, 4, 5, 7, 9


Question: ['a', 'n', 'f', '385', 'q']

Answer:
3, 5, 8