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]: ['y', '449', 'g', '345', '167', 'q', 'k']
[EX A]: 1, 3, 4, 5, 6, 7, 9

[EX Q]: ['b', 'j', 's', 'u', 'o', '381', '143', 'a', 'h', 'q', 'y', '55', 'a', 'e']
[EX A]:
1, 3, 4, 5, 8