Lock and...
key
Husband and...
wife
Fork and...
knife
In and...
out
Fish and...
chips
Mother and...
father
Give and...
take
Bread and...
butter
Adam and...
Eve
Salt and...
pepper
Hammer and...
nail
Lost and...
found
Rock and...
roll
Hide and...
seek
Coffee and...
donuts
Short and...
tall
Cat and...
mouse
Trick or...
treat
Black and...
white
Sweet and...
sour
Bacon and...
eggs
Up and...
down
Soap and...
water
Big and...
small