The P‑cock; The Q‑cumber + 

The striking similarity + 

of this P‑Q‑liar pair, + 

No longer need en-cumber us, + 

or fill us with despair: + 

The P‑cock and the Q‑cumber + 

you never need confuse, + 

If you pay attention to the Eyes + 

and mind your P’s and Q’s. + 