I'm starting to see some combos:
Aqualad and Iceman: Water and Ice, Iceman can supply aquaman with water, thus allowing them to do some awesome combos (Codename: Blizzard)
Red Arrow and Kate Bishop: No need to explain this one. (Codename: Arrow)
Batgirl and Black Panther: Tracking, no one is going to be able to give these two the slip if they work together (not with all there tracking and investigation ability) (Codename: Bloodhound)
X-23 and Bucky: The two characters that don't really have a problem with killing bad people and are very good at it. (Codename: Reaper)
Speed and Wiccan: Did you make a mistake? These two are the people you should see. Between superspeed and reality warping, there is almost no mistake they can't fix (Codename: Eraser)