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.

[Q]: ['t', '361', 'o', 'j', '395', 'u', '211', 'a', 'i', 'i', '375', 'h', '451']
[A]: 1, 2, 3, 4, 5, 6, 7, 9


[Q]: ['487', 'x']
[A]: 4, 7, 8


[Q]: ['311', '261']
[A]:
1, 2, 3, 6