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]: ['b', 'r', 'n', '89', '379', '283', '27', 's', '361', 'm', 'l']
[EX A]: 1, 2, 3, 6, 7, 8, 9

[EX Q]: ['f', '253', '211', '85', 'm', 'y', 'l', 'r', 't', 'm', '193', 'p', '415', 'h', 'h']
[EX A]: 1, 2, 3, 4, 5, 8, 9

[EX Q]: ['n', '343', 'r', 'f', '155', 'n', '499']
[EX A]:
1, 3, 4, 5, 9