With regards to the dialect, vowels can be subject matter to various mergers just before /l/, to make sure that e.g. fill /?file?l/ and experience /?fi?l/ or pull /?p?l/ and pool /?pu?l/ will not be distinguished.In rhotic North American English there isn't any distinction between the vowels in nurse /?n??rs/ and letter /?l?t?r/. If you converse th