is for

mike is short for microphone
william's short for will
eel is not for celia
and empty isn't phil

e is up for elevator
o is low for high
yes is no for maybe so
and who is what for why

crank is crick for river wrench
glass is tea for cup
six is ten for almost when
and downy isn't up

face is beer for too much head
hand is root for wrist
light is blue for darkness true
and this line for desist