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: ['t', '419', 'f']

Answer: 1, 4, 9


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

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


Question: ['165', '107', 'm', '359', '7', 'v', 'i', '59', '209', 'm', 'l', '365']

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