kiṃ tarhi tirobhūtābhivyaktayaḥ santy eva ity etad athetyādinā āśaṅkya netyādinā pariharati /
"What then? [The letters] exist just with their manifestations concealed" - having raised this objection with [the words] "If..." etc., [the author] refutes it with [the words] "No..." etc.