Natyashastra
सन्निपातैर्निपातैश्च तेषां वस्तु प्रकीर्तितम् । समानलक्षणांश्चैव गदतो मे निबोधत ॥ ६६॥
By combinations (saṃnipāta) and single beats (nipāta), their structure has been described. Now, listen to me as I explain those which bear similar characteristics.
english translation
sannipAtairnipAtaizca teSAM vastu prakIrtitam । samAnalakSaNAMzcaiva gadato me nibodhata ॥ 66॥
hk transliteration by Sanscript