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]: ['159', 's', 'z', '85', 't', 'g']
[EX A]: 1, 5, 8, 9

[EX Q]: ['l', '201', 's', 'y', 'b', '395', '19']
[EX A]: 0, 1, 2, 3, 5, 9

[EX Q]: ['g', '381', 'n', 'c', '203', 'y', 'i', '213', 'i', '185']
[EX A]:
0, 1, 2, 3, 5, 8