by "changing one letter", Im assuming you can change "the non-existant letter place holder" to a letter. In short, make words other than 4 letters.
You shouldn't judge a book by it's cover, instead, you should read every single book to see what every book is about before you even come close to judging its viability.
I was weeping as much for him as her; we do sometimes pity creatures that have none of the feeling either for themselves or others. — Emily Bronte, Wuthering Heights
