Declension table of ?śvāsya

Masculine	Singular	Dual	Plural
Nominative	śvāsyaḥ	śvāsyau	śvāsyāḥ
Vocative	śvāsya	śvāsyau	śvāsyāḥ
Accusative	śvāsyam	śvāsyau	śvāsyān
Instrumental	śvāsyena	śvāsyābhyām	śvāsyaiḥ śvāsyebhiḥ
Dative	śvāsyāya	śvāsyābhyām	śvāsyebhyaḥ
Ablative	śvāsyāt	śvāsyābhyām	śvāsyebhyaḥ
Genitive	śvāsyasya	śvāsyayoḥ	śvāsyānām
Locative	śvāsye	śvāsyayoḥ	śvāsyeṣu

Compound śvāsya -

Adverb -śvāsyam -śvāsyāt