Part,  -

 1   1 1 |          I.414 - 421 {64/137} sa nipātanasvaraḥ prakṛtisvarasya bādhakaḥ
 2   1 1 |        421 {66/137} yathā eva hi nipātanasvaraḥ prakṛtisvaram bādhate evam
 3   5 3 |            10 R IV.184 {6/9} saḥ nipātanasvaraḥ vibhaktisvarasya bādhakaḥ
 4   6 1 |         IV.461 - 463 {39/42} saḥ nipātanasvaraḥ prakṛtisvarasya bādhakaḥ
 5   6 1 |            463 {41/42} yathā eva nipātanasvaraḥ prakṛtsvarasya bādhakaḥ
 6   6 1 |         IV.497 - 499 {31/52} saḥ nipātanasvaraḥ prakṛtisvarasya bādhakaḥ
 7   6 1 |          IV.502 - 504 {9/59} saḥ nipātanasvaraḥ śasi svarasya bādhakaḥ bhaviṣyati .~(
 8   6 1 |            504 {11/59} yathā eva nipātanasvaraḥ śasi svaram bādhate evam
 9   6 1 |         tat jñāpayati ācāryaḥ na nipātanasvaraḥ vibhaktisvaram bādhate iti .~(
10   6 1 |         504 {49/59} yadi ca atra nipātanasvaraḥ syāt halādigrahaṇam anarthakam
11   6 3 |          IV.645 - 646 {9/12} saḥ nipātanasvaraḥ prakṛtisvarasya bādhakaḥ
12   6 3 |          11/12} saḥ yathā eva hi nipātanasvaraḥ prakṛtisvaram bādhate evam
13   7 1 | ādyudāttanipātanam kariṣyate saḥ nipātanasvaraḥ samāsasvarasya bādhakaḥ
14   7 1 |          19/21} saḥ yathā eva hi nipātanasvaraḥ samāsasvaram bādhate evam
15   7 2 | ādyudāttanipātanam kariṣyate saḥ nipātanasvaraḥ prakṛtisvarasya bādhakaḥ
16   7 2 |         94/108} yathā eva hi saḥ nipātanasvaraḥ prakṛtisvaram bādhate evam