THE FACT ABOUT GEEK BAR PULSE FLAVOR THAT NO ONE IS SUGGESTING

Should you mean the names as we understand them in class, then They are incredibly not often prepared down (so I'm proficiently inventing these spellings), but they'd (in British English) be:/ʃut/. So for them the vowel is the entire diphthong /ju/ which include its main semi-vowel and not merely /u/, given that they’re seeking to rhyme with /ju