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]: ['169', '159', '103', '245', '449', 'a', 'w', 'b', '131', '385']
[EX A]: 0, 1, 2, 3, 4, 5, 6, 8, 9

[EX Q]: ['425', 'x', 'u', 'f', 'v', '481', 'm', 'y', '159', '1']
[EX A]: 1, 2, 4, 5, 8, 9

[EX Q]: ['451', 't', 'v', 'q', 'u', 'l', '227']
[EX A]:
1, 2, 4, 5, 7