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: ['293', '473', '79', 'j', '455', '285', 'k', 'd', '379', '249', '73', '229']

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


Question: ['z', '273', '447', 'h']

Answer: 2, 3, 4, 7


Question: ['167', '51', '445', 'o', '433', '141', 'v', 'q', '449', '147']

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