Agniveshyagrihyasutra 2.3.2.6

2.3.2.6

atha catuṣṭayamādāya vrīhiyavapuṣyasarṣapāṇīti saha tairevodakumbhamādāya ? manaḥ samādhīyatāṃ prasīdan bhavantaḥ ityuktvā sapraṇavanāndīmukhāḥ pitaraḥ prīyantām ityevaṃ yathārthayitare pratibrūyuḥ \

Then, having taken the set of four—namely, rice, barley, mustard, and mustard seed—taking a water-jar along with those very [seeds], saying "May your minds be composed, may you be pleased," the others should reply: "Accompanied by the sacred syllable, may the Nāndīmukha ancestors be pleased!" according to the wish.