Some speakers only use the sound /ɔ/ when it is followed by /r/ (as in horse /hɔrs/) and use /ɑ/ in all other words that are shown with /ɔ/ in this dictionary, so that they pronounce both caught and cot as /kɑt/.
It means that ɔɪ will become ɑɪ . Boy will be pronounced /bɑɪ/, choice will be pronounced /tʃɑɪs/.
Could anyone confirm this is the actual pronunciation of the people with cot/caught merger? Or do they just keep /bɔɪ/ and /tʃɔɪs/?
If /bɑɪ/ is used, will it be easy to distinguish with buy /baɪ/ ?
PS: I am interested in American English by Oxford dictionary. But I get confused with their guide as mentioned in my question. Will boy be pronounced /bɑɪ/ according to their guide ? If a particular region must be specified, please take a US region with cot caught merger to see how they pronounce boy, choice... I want to make sure that /bɑɪ/ pronunciation is practical and recognized by most of listeners