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]: ['313', 'q', '355', 'y', 'b', '267', 'd', '253', '393', '409']
[A]: 0, 1, 2, 3, 4, 5, 6, 7, 9


[Q]: ['379', '485', '415', '37', '221', '125', '245', '87', 'a']
[A]: 1, 2, 3, 4, 5, 7, 8, 9


[Q]: ['m', 'g', 'x', '451', '203', 'k', '251']
[A]:
0, 1, 2, 3, 4, 5