T
Thisbee
Guest
The current IPA transcription for this word (UK) is /ˌɛkstrəkəˈ rɪkjʊlə˞/. I'm not an expert in British English phonetics but I don't believe they roll their rs. I suggest /ˌɛkst͜ʃɻʷəkəˈɻʷɪkjʊlə˞ / as a more accurate transcription.