Just got schooled by an AI.
According to Wiktionary:
(UK) IPA(key): /ˈstɹɔːb(ə)ɹi/
(US) IPA(key): /ˈstɹɔˌbɛɹi/
...there are indeed only two /ɹ/ in strawberry.
So much for dissing on AIs for not being able to count.
Nobody's stopping you. I'm going to reassess and double check my assumptions instead... and ask the AI to explain itself.