Agnipurana 331.7

331.7

bhavedamṛtadhārākhyā uddhatādyucyate 'dhunā /
ekataḥ samajasānaḥsyurna sau jo go 'tha bhaunajau //

there is that called Amṛtadhārā; now the Uddhatā and others are stated: / in one quarter are sa, ma, ja, sa, and na; or na, sau, jo, go; then bha, u, na, and jau;