A-Z doubleact.

[zero]

mind and brain

 

[Minus]

new and old

 

[Pathfinder]

Oh and No

 

[zero]

peace and prosperity

 

[Minus]

quick and dead

 

[user 139760]

Holy and honeysuckle.

 

[Minus]

Right and wrong

 

[Yukongirl]

Sodom and Gemmorah

 

[Minus]

then and now

 

[Magalie]

Up & Down

 

[zero]

veal and beef

 

[Magalie]

White & Black

 

[Minus]

Xylophone and Vibraphone

 

[Meaw]

Year and time

 

[Minus]

zig and zag

 

[Magalie]

A & Z

 

[Minus]

Brussels sprout and Ketchup

 

[Meaw]

Cat and salt

 

[Minus]

Dog and Cat

 

[X-1 Alpha]

King Harlaus and Butter

(or cat and mustard, just ... don't ask why)