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]: ['269', 'f', '321', '175', '15', 'n', 'b', 'z', '53', 'p', 'x', '457', 'q', 'b']
[EX A]: 1, 2, 3, 4, 5, 6, 7, 9

[EX Q]: ['b', '343', '149', 'h', 'w', 'j', 'd', 'r', '461', 'q', '265', '329', '499', 'r', '291']
[EX A]: 1, 2, 3, 4, 5, 6, 9

[EX Q]: ['393', '7', '91', 'i', '85', 'n', 's', '283']
[EX A]:
1, 2, 3, 5, 7, 8, 9