Agniveshyagrihyasutra 2.7.2.6

2.7.2.6

etāścāhutīrjuhuyāt mitrāya svāhā varuṇāya svāhā somāya svāhā sūryāya svāhā agnaye svāhā agnaye tapasvate janadvate pāvakavate svāhā agnaye śucaye svāhā agnaye jyotiṣmate svāhā agnaye vratapataye svāhā iti vyāhṛtībhirvihṛtābhiḥ samastābhiśca \

And he should offer these oblations: "To Mitra svāhā! To Varuṇa svāhā! To Soma svāhā! To Sūrya svāhā! To Agni svāhā! To Agni possessing austerity, possessing offspring, possessing purification, svāhā! To Agni the pure svāhā! To Agni the luminous svāhā! To Agni the lord of vows svāhā!" [and] with the mystic utterances, separately and together.