Narapatijayacarya 5.7

5.7

ma,mi-mu-me-mo evamagra'pi bodhyam | evaṃ kupubhudusthāne trayo varṇā lekhyāḥ | yathā kuvarṇasya koṣṭhe ghaṅachāḥ trayo varṇā deyāḥ | puvarṇasya sthāne khaṇaṭho bhūvarṇasya sthāne dhaphaḍhāḥ duvarṇasya koṣṭhe thabhañā evaṃ kṛte śatapadcakrasya varṇā jāyante | kughaṅadeti | īśānagocare īśānadigavasthite stambhe ārdrānakṣatrasya kughaṅchā varṇāḥ bhavaṃti | evaṃ āgneyadigavasthite stambhe hastanakṣatrasya pūkhaṇaṭhā varṇāḥ bhavaṃti | nairṛtyadigavasthite stambhe pūrvāṣāḍhā nakṣatrasya bhūdhāphāḍhā varṇā bhavanti | vāyavyakoṇastambhe duthabhañā utṛtarābhādrapadasya varṇā bhavanti| evaṃ pratyekavarṇacatuṣṭayamārdrādinakṣatravyavsthayā | svaravedibhiḥ stambhacatuṣkaṃ cakraṃ va jñātavyam ||

ma, mi, mu, me, mo; and thus it should be understood further on too. In this way, in the places of ku, pu, bhu, and du, three phonemes are to be written: as in the square of the phoneme ku, the three phonemes gha, ṅa, cha are to be supplied; in place of the phoneme pu, kha, ṇa, ṭha; in place of the phoneme bhu, dha, pha, ḍha; in the square of the phoneme du, tha, bha, ña. When this is done, the phonemes of the hundred-square diagrammatic wheel are produced. 'ku-gha-ṅa-da' etc.: in the northeast domain, in the pillar situated in the northeastern direction, the phonemes ku, gha, ṅa, cha of the Ārdrā nakṣatra occur. Likewise in the pillar situated in the southeastern direction, the phonemes pū, kha, ṇa, ṭha of the Hasta nakṣatra occur. In the pillar situated in the southwestern direction, the phonemes bhū, dhā, phā, ḍhā of the Pūrvāṣāḍhā nakṣatra occur. In the northwestern corner pillar, du, tha, bha, ña of Uttarābhādrapadā occur. In this manner, each set of four phonemes is arranged according to the nakṣatras Ārdrā and so forth. The four pillars and the diagrammatic wheel must be known by the knowers of sounds.