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]: ['k', 'k', 'o', 'c', 'p', '301', 'o']
[EX A]: 0, 1, 3

[EX Q]: ['g', '185', '73', 'h', '455', '333', 'l', '403', 'k', 'e', '77', '429', '423', '453']
[EX A]: 0, 1, 2, 3, 4, 5, 7, 8, 9

[EX Q]: ['d', '225', 'o', '255', '433']
[EX A]:
2, 3, 4, 5