Agnipurana 348.3.p1

348.3.p1

aṇ eṅ aṭ yaṅ chav jham bhaṣ ak ik aṇ iṇ yaṇ pareṇa
ṇakāreṇa / am yam ṅam ac ic aic ay may jhay khay jav jhav khav cav śav as
has vas bhas al hal bal ral jhal sal iti pratyāhāraḥ

aṇ, eṅ, aṭ, yaṅ, chav, jham, bhaṣ, ak, ik, aṇ, iṇ, yaṇ with the second ṇa; / am, yam, ṅam, ac, ic, aic, ay, may, jhay, khay, jav, jhav, khav, cav, śav, as, has, vas, bhas, al, hal, bal, ral, jhal, śal. Such is the abbreviation.