I have a problem. Also: fewer crazy caps in next list I swear.
  1. Diet Coke - from a fountain
  2. Diet Coke - from a can
  3. Diet Mountain Dew DONT JUDGE ME IT'S MY LIFE GUYS
  4. Diet Sprite
  5. Diet Sunkist
    Suggested by @bjnovak
  6. Fresca
    Suggested by @bjnovak
  7. Everything else
  8. Diet Pepsi SERIOUSLY THAT ISH IS DISGUSTING HOW DO YOU DRINK THAT?