Ledger Seed Phrase Bip39. The one purpose those letters are listed is to really make it a lot easier for our human brains to read through them And maybe memorize our recovery phrase. These words are pulled from a selected list of 2048 words. They can be found below or https://finance-department49483.mywikiparty.com/1112062/the_anatomy_of_a_bip39_phrase_entropy_phrases_and_security