And yes, the original audio (without the second audio playing over it) is used. Apple Kid recently found the original audio and I used it to make this. Link to the original audio: https://www.youtube.com/watch?v=WvS3-I-J4U0
i just make the letters based on how they sound or maybe something else and bam. a new language. name sounds funni because i could only think of that because heck why not! btw idk why they did "z xx exhc" when it sound like "zhe zee ah" i improvised this to make the letters seem more accurate to the sounds