SB 3.12.40

ṣoḍaśy-ukthau pūrva-vaktrāt
 purīṣy-agniṣṭutāv atha
āptoryāmātirātrau ca
 vājapeyaṁ sagosavam
Word for word: 
ṣoḍaśī-ukthau — types of sacrifice; pūrva-vaktrāt — from the eastern mouth; purīṣi-agniṣṭutau — types of sacrifice; atha — then; āptoryāma-atirātrau — types of sacrifice; ca — and; vājapeyam — type of sacrifice; sa-gosavam — type of sacrifice.
Translation: 
All the different varieties of fire sacrifices [ṣoḍaśī, uktha, purīṣi, agniṣṭoma, āptoryāma, atirātra, vājapeya and gosava] became manifested from the eastern mouth of Brahmā.