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: ['17', 'n', 'c', 'f', 'u', '413', '13', '133', 'q', 'j', '249', '163', '65', '417', '161']

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


Question: ['r', '233']

Answer: 2, 3


Question: ['167', 'v']

Answer:
1, 6, 7