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: ['93', 'h', 'd', 'z', '395', 'r', 'j', 'f', '323', '215', 'n', 's', '497']

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


Question: ['473', '357', 'i', 'j', '299', 's', '495', '165', 'o', 'l', 'x', 'v', '1', 'o', '469']

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


Question: ['z', 'f', 'l', 't', 'j', 'm', 'n', 'y', 'g', 'n']

Answer:
-1