Should you mean the names as we learn them in class, then They are extremely almost never written down (so I'm effectively inventing these spellings), but they'd (in British English) be: /ʃut/. So for them the vowel is the entire diphthong /ju/ including its leading semi-vowel and not merely /u/, https://juliusehfrp.ssnblog.com/30341909/the-ultimate-guide-to-w