Adding few letters a day, using this kind of picture as a mnemonic help [0] and learning in duo with someone else worked for me (but I lost most of it in a year

Adding few letters a day, using this kind of picture as a mnemonic help [0] and learning in duo with someone else worked for me (but I lost most of it in a year due to lack of practice) https://edu.glogster.com/proxy?url=http%3A%2F%2Fwww.learnmorsecode.info%2Fwp-content%2Fuploads%2F2012%2F05%2Fditdah.png https://edu.glogster.com/proxy?url=http%3A%2F%2Fwww.learnmor...