Mahapadanasutta 2.19.4

2.19.4

nāmarūpapaccayā viññāṇaṃ, viññāṇapaccayā nāmarūpaṃ, nāmarūpapaccayā saḷāyatanaṃ, saḷāyatanapaccayā phasso, phassapaccayā vedanā, vedanāpaccayā taṇhā, taṇhāpaccayā upādānaṃ, upādānapaccayā bhavo, bhavapaccayā jāti, jātipaccayā jarāmaraṇaṃ sokaparidevadukkhadomanassupāyāsā sambhavanti.

Name and form are requirements for consciousness. Consciousness is a requirement for name and form. Name and form are requirements for the six sense fields. The six sense fields are requirements for contact. Contact is a requirement for feeling. Feeling is a requirement for craving. Craving is a requirement for grasping. Grasping is a requirement for continued existence. Continued existence is a requirement for rebirth. Rebirth is a requirement for old age and death, sorrow, lamentation, pain, sadness, and distress to come to be.