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]: ['7', 'q', '201', 'p', '369', 'a', 'g', '429', 'i', 'g', '329', '295', '203']
[EX A]: 0, 1, 2, 3, 4, 5, 6, 7, 9

[EX Q]: ['t', '437', 'o', 'w', 'x', 'e', 'r', 'r', '149', 'd', '391']
[EX A]: 1, 3, 4, 7, 9

[EX Q]: ['x', '259', 'a', '415']
[EX A]:
1, 2, 4, 5, 9