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.

[EX Q]: ['325', '269', '199', '177', 'n', '319', '385', '227', 'o', '393', 'y', 'g', 'f', '347', '109']
[EX A]: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9

[EX Q]: ['431', '245', '23', 'c', '185', 'k', '155', '163', 'e', '35', 'r', '175', '163']
[EX A]: 1, 2, 3, 4, 5, 6, 7, 8

[EX Q]: ['457', 'x', 'k', '65', 'z', 'n', 's', '445', 'r', '309', '261', '441', 't', 'o']
[EX A]:
0, 1, 2, 3, 4, 5, 6, 7, 9