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]: ['233', '339', '319']
[EX A]: 1, 2, 3, 9

[EX Q]: ['k', 'a', '437', '461', 'b', '341', '175']
[EX A]: 1, 3, 4, 5, 6, 7

[EX Q]: ['411', '393', 'u', '153', '69', 'z', 'g', '431', '135']
[EX A]:
1, 3, 4, 5, 6, 9