tathā hi vyañjakakramaniyamāt tadiṣṭaṃ, sa ca vyañjakānāṃ tālvādīnāṃ kramaḥ puruṣecchāyattavṛttitvād aniyataḥ, puruṣecchāyāḥ svātantryāt /
For that [fixed sequence] is accepted due to the fixed order of manifesters, but that sequence of manifesters like the palate etc. is not fixed because [its] occurrence depends on human will, due to the independence of human will.