Treble and Bass Clef Pitches Theory Things   William Wieland
 
  BCD EFG ABC DEF GAB  
 
 
  DEF GAB CDE FGA BCD  
 

To learn about pitches on the staff, read The Staff, Clefs, and Ledger Lines.   (musictheory.net)

To practice reading treble and bass pitches on your computer, click Note Identification.   (musictheory.net)

FACE and Cs