Got a few with missing links starting with the letter S.
The sandman presents : dead boys detectives (2001) #2, #4
The Sandman Presents: Everything You Wanted To Know About Dreams… But Where Afraid To Ask (2001) (One-shot)
The Scarlet scorpion/shade #1, #2 (AC comics)
Shade Special #1 (AC Comics)
Secret Invasion: Skrulls! (One-shot)
Sentry Special #1 (Innovation)
Shade the Changing Man, Vol. 1 #7B (uk-price variant)
Silver Surfer, Vol. 4 #1 (1988)
Skateman #1 (Pacific Comics)
The Southern Squadron: The Freedom of Information Act #2 (Malibu Comics (Eternity Comics))
Space man #4, #5, #6 (Dell) (1963)
Spider-Man, Vol. 1 #17
Hope its manageble.
Eric