Declension table of ?nyastavya

Neuter	Singular	Dual	Plural
Nominative	nyastavyam	nyastavye	nyastavyāni
Vocative	nyastavya	nyastavye	nyastavyāni
Accusative	nyastavyam	nyastavye	nyastavyāni
Instrumental	nyastavyena	nyastavyābhyām	nyastavyaiḥ
Dative	nyastavyāya	nyastavyābhyām	nyastavyebhyaḥ
Ablative	nyastavyāt	nyastavyābhyām	nyastavyebhyaḥ
Genitive	nyastavyasya	nyastavyayoḥ	nyastavyānām
Locative	nyastavye	nyastavyayoḥ	nyastavyeṣu

Compound nyastavya -

Adverb -nyastavyam -nyastavyāt