As I said before, the whole unpronounceable Vulcan name thing has not been referenced in any canon production since then, which is why I prefer to think of it as an anomaly to be ignored, forgotten, and tossed into the same hole as "Class of '78", "James R. Kirk", Troi calling Riker "Bill", basically any characteristic of the Trill from "The Host", and that Spock who smiled and yelled in "The Cage".