Agnipurana 83.15.p3

83.15.p3

oṃ hāṃ bhavanādhvane namaḥ / oṃ hāṃ kalādhvane namaḥ / iti
ga, cihnitapustakapāṭhaḥ / oṃ hāṃ padātmane namaḥ / oṃ hāṃ
varṇātmane namaḥ / oṃ hāṃ mantrātmane namaḥ / oṃ hāṃ
kālātmane nama iti ṅa, cihnitapustakapāṭhaḥ

oṃ hāṃ, obeisance to the course of worlds; oṃ hāṃ, obeisance to the course of cosmic capacities” in manuscript ga; “oṃ hāṃ, obeisance to the Self of words; oṃ hāṃ, obeisance to the Self of phonemes; oṃ hāṃ, obeisance to the Self of mantras; oṃ hāṃ, obeisance to the Self of time” in manuscript ṅa.]