Śiva sūtra
14 verses organizing the phonemes of Sanskrit by Pāṇini: 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