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]: ['445', '449']
[EX A]: 4, 5, 9

[EX Q]: ['z', 't', 'm', '295', '459', 'r', 'k', '149', '263', '5', '57', '455']
[EX A]: 1, 2, 3, 4, 5, 6, 7, 9

[EX Q]: ['t', '483', '227', 'h', '69', '75']
[EX A]:
2, 3, 4, 5, 6, 7, 8, 9