This dog, is dog, a dog, good dog, way dog, to dog, keep
dog, an dog, idiot dog, busy dog, for dog, 20 dog, seconds dog!
…
Now read without the word dog.
This cat, is cat, a cat, good cat, way cat, to cat, keep cat, an cat, idiot
cat, busy cat, for cat,20 cat, seconds cat !... Now read it without the word
cat.