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.

[Q]: ['f', 'f', '149', '311', '331', 'l', 'u', '349', 'v', 'v', '417', '285']
[A]: 1, 2, 3, 4, 5, 7, 8, 9


[Q]: ['x', '91', 'q', '417', '385', '455', '393', 'm', 's', 'c', '91', '71', 'n']
[A]: 1, 3, 4, 5, 7, 8, 9


[Q]: ['i', 'q', '207', '15']
[A]:
0, 1, 2, 5, 7