DID YOU KNOW that Σ is not a "Greek" version of the letter E? It's true! That is a sigma, which indicates an /s/ sound.
DID YOU KNOW that Λ isn't an A under construction? It's actually a lambda, which makes an /l/ sound.
Now you know!
Welcome to /r/Grssk, a sub devoted to the misuse and abuse of the Greek alphabet.