> Pāṇini, during his twelve-year-long tapas (fervour, ardour) to Śiva, hears the ḍamaru beat fourteen times. Fourteen classes of syllables drop, resonant, into his fervent ears. a i u ṇ ṛ ḷ k e o ṅ ai au c ha ya va ra ṭ la ṇ ña ma ṅa ṇa na m jha bha ñ gha ḍha dha ṣ ja ba ga ḍa da ś kha pha cha ṭha tha ca ṭa ta v ka pa y śa ṣa sa r ha l 47 syllables in Shiva Sutra by Panini ( https://en.wikipedia.org/wiki/Shiva_Sutras…
[0] https://user.phil.hhu.de/~petersen/paper/petersen_jolli_proo... [1] https://en.wikipedia.org/wiki/A%E1%B9%A3%E1%B9%AD%C4%81dhy%C... [2] https://learnsanskrit.org/vyakarana/