Brahmanda Purana 2.44.9

Brahmāṇḍapurāṇa 2.44.9

jayaśabdaṃ namaḥśabdaṃ proccaradbhirdvijātmajaiḥ /
dvijaiśca satkṛto rāmaḥ paraṃ harṣamupāgataḥ //