Bip39 Colors Some words are shorter than 4 letters, including the word “act”. Other words are for a longer period than 4 letters, for example “abstract”. You can see the complete source code in standalone, offline html file. Alternatively you can check the individual css and js information in the https://ok-social.com/story3987643/bip39-passphrase-optional-the-5-second-trick-for-bip39-word-list