This practice set is composed of Letters and Numbers with two characters randomly selected for each trial and Letters and numbers have the same probability of being selected. For each set of characters, try to head-copy it. First, it is sent in Morse code. Then it is spoken. And finally, it is sent again in More code. If you missed it the first time it was sent, the second time allows you an opportunity to learn the words

73 de AD0WE!