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]: ['l', 'm', 'h', '87', '265', 'e', '415', '325', 'p', 'b', '385']
[EX A]: 1, 2, 3, 4, 5, 6, 7, 8

[EX Q]: ['u', '419', 'u', 'h', 'k', 'w', 'a', '289', 'd', 'v', 'u', '117', '327', '85', '441']
[EX A]: 1, 2, 3, 4, 5, 7, 8, 9

[EX Q]: ['215', '83', '381', '227', '181', '57', '285', 'a', '119', '435', '311']
[EX A]:
1, 2, 3, 4, 5, 7, 8, 9