śuciṁ ca huta-bhojanam

svaha-Svaha, the wife of Agni; abhimaninah-the presiding deity of fire; ca-and; agneh-from Agni; atmajan-sons; trin-three; ajijanat-produced; pavakam-Pavaka; pavamanam ca-and Pavamana; sucim ca-and Suci; huta-bhojanam-eating the oblations of sacrifice.