Shiva Purana
सद्योजातादिभिर्मंत्रैः षडंगैः प्रणवेन च ॥ अभ्यर्च्य गंधपुष्पाद्यैरभिमंत्र्य च वर्मणा ॥ ८ ॥
Sadyojata and other mantras and the six oṁkāras. After worshiping him with fragrant flowers and other offerings he chanted mantras with his shield.
english translation
sadyojAtAdibhirmaMtraiH SaDaMgaiH praNavena ca ॥ abhyarcya gaMdhapuSpAdyairabhimaMtrya ca varmaNA ॥ 8 ॥
hk transliteration by Sanscript