It is only using latin letters and it is 1 to 1 for the most part. But it isnt defined somewhere, there are different variations for some letters and the Greek alphabet is slightly different than the Latin one.
For example the letter Greek letter “χ”(similar sound to English “h”) can be written as “x” or “h”. Χ looks like x but sounds like h, so either works.
It is only using latin letters and it is 1 to 1 for the most part. But it isnt defined somewhere, there are different variations for some letters and the Greek alphabet is slightly different than the Latin one.
For example the letter Greek letter “χ”(similar sound to English “h”) can be written as “x” or “h”. Χ looks like x but sounds like h, so either works.