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: ['r', '135', 't', 'm', 'f', '329', '475', '243', 'z', 'q', '31', '141']

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


Question: ['183', '89', '35', 'e', 'e', '499', 'e', 'u', 'y', 'o', 'f', 'l']

Answer: 1, 3, 4, 5, 8, 9


Question: ['e', 'z', '315', 'r']

Answer:
1, 3, 5