Dependant upon the dialect, vowels is often subject to varied mergers prior to /l/, making sure that e.g. fill /ˈfileɪl/ and experience /ˈfiːl/ or pull /ˈpʊl/ and pool /ˈpuːl/ might not be distinguished. For additional substantial information on dialect variants, you might wish to see the IPA chart for English https://douglasg299alo4.blogrenanda.com/profile