d= single note
D= chord
You can figure out the strumming pattern by listening to the record.
intro: D D D D, etc.
      G                                         A
I'm standing with you on your roof
                        D D D D, etc.
Looking at the chemical sky
       G                          A                                D D D
D,etc.
All purple blue and oranges, some pigeons flying by
          G                                       A                     D D
D, etc.
The traffic on Canal Street's so noisy it's a shock
https://www.coveralia.com/acordes/hooky-wooky-lou-reed.php
       G                                      A                          D D
D D, etc.
Someone's shooting fireworks or a gun on the next block.
D D D D D   G           A                         D D D D, etc.
A-a-and, I wanna HookyWooky with you.
G                                       A
Traffic's so noisy it's a shock,
 D                                         G
sounds like fireworks or a gun on the next block
A                           D D D D D, etc.
HookyWooky with you.