What is required now are references to examples that verify the arithmetic in the examples I have given. These are definitely difficult to locate but I will preserve seeking. How can native speakers distinguish among lenis and fortis finals for example /tʃ/ and /dʒ/ as in /ɛtʃ/ and /ɛdʒ/? https://financefeeds.com/options-partners-with-couchdrop-for-file-transfers-across-global-financial-markets/