Garudapurana 1.209.37

1.209.37

mattākrīḍañcāṣṭabāṇadaśakairmau tanau nanau /
nalau guruśca vikṛtiśchinnā saṃkṛtirucyate //

Mattākrīḍa has ma, ta, na, na, na, a light and a heavy syllable, with [pause at] eight, five, and ten, in the Vikṛti class. / Chinnā is spoken of in the Saṃkṛti class;