Double Acts

add and subtract
B

 

Buy and sell

C

 

come and go

D

 

Do's and Don'ts

E

 

entries and exits
F

 

first and last

G

 

go and come

H

 

Hello and Goodbye

I

 

ins and the outs

J

 

juniors and seniors

K

 

kit and caboodle
L

 

left and right

M

 

mine and yours

N

 

nails and hammers
O

 

outside and inside

P