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.

['255', 'u', 's', 'g', '445']
2, 4, 5

['353', '195', '297', '175', 'u', 'p', 'r', 'l']
1, 2, 3, 5, 7, 9

['205', 'g', '189', 'l', '129', '229']

0, 1, 2, 5, 8, 9