Skandapurana 6.3.16.17

6.3.16.17

oṅkāra huṅkārapariṣkṛtāya svadhāvaṣaṭkāra namonamaste .
guṇatrayeśāya maheśvarāya te trayīmayāya triguṇātmane namaḥ .. 16.17 ..

Homage, homage to you adorned with the sounds Oṃ and Huṃ, and with Svadhā and Vaṣaṭ! / Homage to you, the master of the three qualities, Maheśvara, composed of the three Vedas, the embodiment of the three qualities. 16.17