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: ['129', '373', '461', 'h', 'r', '163', '361', '483', '463', 'e', 'z', 'l']

Answer: 1, 2, 3, 4, 6, 7, 8, 9


Question: ['419', 'v', 'f', '325', '287', '153', 'g', 'o', '29', '463', 'e', '275']

Answer: 1, 2, 3, 4, 5, 6, 7, 8, 9


Question: ['k', 'o', '171', 'w', '275', 'g', '293']

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