Bip39 Word List Booklet. From this stage ahead the seed may be prepared on paper or spoken more than phone which opened up new, physical ways of backing up the seed (a number of paper copies in different spots, strong copies on steel plates with more protection from hearth/flood etc.). https://socialmediainuk.com/story20143387/bip39-deutsch-5-easy-facts-about-word-list-bip39-described