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: ['j', '379', 'x', '51', 'k', 'r', 'i', '233', '363', '69', 'v', 'q', '151']

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


Question: ['n', 'm', 'u', '267']

Answer: 2, 6, 7


Question: ['5', 't', 'h', 't', '137', '411', '467', 'w', 'a', '405', 's', '81', 'q', '85', '35']

Answer:
0, 1, 3, 4, 5, 6, 7, 8