As for the native speakers of English, the only phonostylistic processes all three of them applied…were the following: nasal assimilation in triumph and palatalization (“Yod coalescence”) in Tell me what you want.
2004, Ulrike Altendorf & Dominic Watt, "The Dialects in the South of England: Phonology", in Edgar W. Schneider et al. (eds.), A Handbook of Varieties of English, volume 1, Mouton de Gruyter, →ISBN, page 196:
London and Southeastern English accents have variable Yod dropping and Yod coalescence.
2008, David Levey, Language Change and Variation in Gibraltar, John Benjamins Publishing Company, →ISBN, page 148:
However, what was somewhat surprising was the extended use of Yod coalescence in word-initial positions (e.g., ‘Tuesday’).