Good-night

MANY ways to spell good night.
  
Fireworks at a pier on the Fourth of July spell it with red wheels and yellow spokes.
  
They fizz in the air, touch the water and quit.
Rockets make a trajectory of gold-and-blue and then go out.
  
Railroad trains at night spell with a smokestack mushrooming a white pillar.
  
Steamboats turn a curve in the Mississippi crying in a baritone that crosses lowland cottonfields to a razorback hill.
It is easy to spell good night.
  
        Many ways to spell good night.