<Snipped quote by Mihndar>Yllendthyr have such a melodic sound if you can decode which consonant letters are either ignored, combined or spoken as vowels.
Don't delude yourself, Kataylaksdlfsjdlf is even worse than Willy's name (which shall not be uttered for fear of contracting sudden arthritis)
Y generally replaces the "i" letter but sometimes it's also spoken as "e" or "ü", albeit the latter is often also written as "ŷ" for the distinction.
... Okay, elven speech is a huge mess.
But yeah, it's toootaly simple.