Declension table of ?yiyāsya

Masculine	Singular	Dual	Plural
Nominative	yiyāsyaḥ	yiyāsyau	yiyāsyāḥ
Vocative	yiyāsya	yiyāsyau	yiyāsyāḥ
Accusative	yiyāsyam	yiyāsyau	yiyāsyān
Instrumental	yiyāsyena	yiyāsyābhyām	yiyāsyaiḥ yiyāsyebhiḥ
Dative	yiyāsyāya	yiyāsyābhyām	yiyāsyebhyaḥ
Ablative	yiyāsyāt	yiyāsyābhyām	yiyāsyebhyaḥ
Genitive	yiyāsyasya	yiyāsyayoḥ	yiyāsyānām
Locative	yiyāsye	yiyāsyayoḥ	yiyāsyeṣu

Compound yiyāsya -

Adverb -yiyāsyam -yiyāsyāt