> Not to mention that a 40000 word word list has a lot more room for misremembering and mishearing than spelling out a sequence of digits. If it had used a word

> Not to mention that a 40000 word word list has a lot more room for misremembering and mishearing than spelling out a sequence of digits. If it had used a word list that was designed to be easily recognized by sound, had no plurals etc, that would have been a different thing. Not only that, the word list is localised in different languages, and those are untranslatable as each locale uses a different coefficient table.