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]: ['k', '413', '321', '209', 'k', '263']
[A]: 0, 1, 2, 3, 4, 6, 9


[Q]: ['345', '393', 'v', 'l', 'b', 'd', 'k', 'q', 'x']
[A]: 3, 4, 5, 9


[Q]: ['473', 'z', 'f', 'z', '257', '299', 'o', '161', 'l']
[A]:
1, 2, 3, 4, 5, 6, 7, 9