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]: ['i', 'z', '131', '449', '141', 's']
[EX A]: 1, 3, 4, 9

[EX Q]: ['163', '375', 'e', 'g', '115', '445', 'c', '393', 'm', '59']
[EX A]: 1, 3, 4, 5, 6, 7, 9

[EX Q]: ['m', '417', '27', 'q', '75', 'd', '41', 's', 'o', '389', 'x', 'e', 'y']
[EX A]:
1, 2, 3, 4, 5, 7, 8, 9