You may have 21 As!

- ----- --a- - --a-- ----- ---
A --a-- a- ---a- a- a --- -a- --
A --- ---- ----- ---------
---- ----- --- ---- ----- ------ ----
A --- ---- ------ --- -- ---'-- ------ -- ----
---- ----- -------, -- ---'-- ---- ----- --- -----
A-- a --- "------- ----" a- --- --- -- a -a-
-a- -a-- a-- -- ---- ------- ---- ---- a-a-

Letters available: BCDEFGHIJKLMNOPQRSTUVWXYZ

Rottieluver45 A(21) =42