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]: ['239', 's', 'h', 'w', '131', 'i', 'x']
[A]: 1, 2, 3, 9


[Q]: ['233', '35', 'l', 'j', '89', 'r', 't']
[A]: 2, 3, 5, 8, 9


[Q]: ['421', '125', '157', 'l', '185', '339', '179', '55', '327', '203', '85']
[A]:
0, 1, 2, 3, 4, 5, 7, 8, 9