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]: ['157', '481', 'n', 't', 'd', 'j']
[EX A]: 1, 4, 5, 7, 8

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

[EX Q]: ['u', '475', '163', '393', '125', 'w', '203', 'v']
[EX A]:
0, 1, 2, 3, 4, 5, 6, 7, 9