Thus, Amanda's line in "Journey to Babel" and the conversation Spock has with Leila Kalomi in "This Side of Paradise" about Spock's family name being unpronounceable are not unreasonable at all.
Totally pronounceable! Let's do this:
Eastern European consonant clusters, holla! But now it gets tricky:
(Sort of Welsh Gaelic-ish)
(And there again.)
. No problem.
Ye Gods, for the delightfully bonkers days when you could just throw any old consonants together and have an Alien Name.
How do we know Vulcans don't pronounce their "X"s like zeds, or "k" or... "x"?
"Z", Vulcans use 'Merican pronunciation.