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: ['469', '65', '111', '135', '209', 'g', '407', 'd', 'r', '325']

Answer: 0, 1, 2, 3, 4, 5, 6, 7, 9


Question: ['h', '475', 'x', '53', '461', 'c']

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


Question: ['u', 'p', '405', '411', '67', '495', '199', 'l', '127', 'u', '489']

Answer:
0, 1, 2, 4, 5, 6, 7, 8, 9