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]: ['k', '135', '297']
[A]: 1, 2, 3, 5, 7, 9


[Q]: ['227', '161', '389', 'g', 'g', 'i', 'm', '199', '487', '65', '341', '377', 'x', 'r']
[A]: 1, 2, 3, 4, 5, 6, 7, 8, 9


[Q]: ['l', '77', 'j', 'u', '103', '339', '417', '87', 'z', '229', 'q', '259', '489', '465', '143']
[A]:
0, 1, 2, 3, 4, 5, 6, 7, 8, 9