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]: ['s', 'y', '133', 'c', '415', 'p']
[EX A]: 1, 3, 4, 5

[EX Q]: ['t', 'u', 'e', 'a', '369', 'e', 'r', 'm']
[EX A]: 3, 6, 9

[EX Q]: ['59', 'v', '159', 'w', 'b', '163', '405', 'g', '325', '339', '203', '21']
[EX A]:
0, 1, 2, 3, 4, 5, 6, 9