Declension table of ?śvāsya

Neuter	Singular	Dual	Plural
Nominative	śvāsyam	śvāsye	śvāsyāni
Vocative	śvāsya	śvāsye	śvāsyāni
Accusative	śvāsyam	śvāsye	śvāsyāni
Instrumental	śvāsyena	śvāsyābhyām	śvāsyaiḥ
Dative	śvāsyāya	śvāsyābhyām	śvāsyebhyaḥ
Ablative	śvāsyāt	śvāsyābhyām	śvāsyebhyaḥ
Genitive	śvāsyasya	śvāsyayoḥ	śvāsyānām
Locative	śvāsye	śvāsyayoḥ	śvāsyeṣu

Compound śvāsya -

Adverb -śvāsyam -śvāsyāt