Click the next button to begin. Listen to the sound. The sequences of dits and dahs represent letters. These are some of the more difficult letters. Each of these six letters begin with a dah and contain 4 characters. It is important to learn morse by sound not sight! If you learn by sound your brain begins to understand the sound of each letter as a language instead of as a set of characters.
All sound files were created using https://www.radio-amater.rs/morsecodegenerator/. Sounds are set to 20 words per minute at 750HZ.