Agnipurana 83.17

83.17

he tattve mantramapyekaṃ padaṃ varṇāś ca ṣoḍaśa /
tathāṣṭau bhuvanānyasyāṃ vījanāḍīkathadvayaṃ //

Two principles, one mantra, a word, sixteen phonemes, / and eight worlds in this [capacity]; two seeds, subtle channels, and statements;