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.

['v', '477', 'j', '339', '245', 'r', '417', 'g', '475', 'n', 'q', '171']
1, 2, 3, 4, 5, 7, 9

['n', 'q', 'z', 'r', '41', '345', '115', '487', '273', 'q', '219', 'i', '23']
1, 2, 3, 4, 5, 7, 8, 9

['g', '205', '353', 'g', 'a', 'o', 'n', '255', 'g', '195', '461', '489', '243', '187']

0, 1, 2, 3, 4, 5, 6, 7, 8, 9

