Declension table of ?payasya

Masculine	Singular	Dual	Plural
Nominative	payasyaḥ	payasyau	payasyāḥ
Vocative	payasya	payasyau	payasyāḥ
Accusative	payasyam	payasyau	payasyān
Instrumental	payasyena	payasyābhyām	payasyaiḥ payasyebhiḥ
Dative	payasyāya	payasyābhyām	payasyebhyaḥ
Ablative	payasyāt	payasyābhyām	payasyebhyaḥ
Genitive	payasyasya	payasyayoḥ	payasyānām
Locative	payasye	payasyayoḥ	payasyeṣu

Compound payasya -

Adverb -payasyam -payasyāt