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

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


Question: ['w', '203', 'd', '133', 'i', 'j', 'd', 'u', 'u', 's', 'f', 'f', '221', '341', '299']

Answer: 0, 1, 2, 3, 4, 9


Question: ['x', '331', 'x', 'y', '403', '73', '439', 'x', 'h', 'i', '181', 'z', '475', 'g', 'k']

Answer:
0, 1, 3, 4, 5, 7, 8, 9