Natyashastra
तस्य स्यात्कलिकेनैव तच्चोघं पञ्चपाणिना । सन्धिर्यथाक्षरेणैव कर्तव्यः पञ्चपाणिना ॥ २८०॥
Its Ogha should be composed of the Pañcapāṇiḥ of one Kalā, and the Sandhi should be performed with the literal Pañcapāṇiḥ.
english translation
tasya syAtkalikenaiva taccoghaM paJcapANinA । sandhiryathAkSareNaiva kartavyaH paJcapANinA ॥ 280॥
hk transliteration by Sanscript