 Lessons In Suggested Order:

 DIT/DAH - Learn basic DIT and DAH sounds
 Combos  - Learn basic DIT/DAH combinations
 Steps   - Distinguish similar characters in steps
 Runs    - Characters that build on each other
 Groups  - Learn characters in related groups
 Levels  - Progressively learn characters in groups
 All     - All characters in one large group

 Other Learning Exercises:

 Flash   - Flash large character as sounded
 Oddball - Identify oddball character in group
 User    - Sound user defined group
 View    - Display character steps and groups
