Dependant upon the dialect, vowels could be topic to various mergers just before /l/, to make sure that e.g. fill /ˈfileɪl/ and experience /ˈfiːl/ or pull /ˈpʊl/ and pool /ˈpuːl/ will not be distinguished. For more intensive info on dialect variants, you may need to see the IPA chart for https://englandh071jrx9.blog2freedom.com/profile