Declension table of ?sukhya

Masculine	Singular	Dual	Plural
Nominative	sukhyaḥ	sukhyau	sukhyāḥ
Vocative	sukhya	sukhyau	sukhyāḥ
Accusative	sukhyam	sukhyau	sukhyān
Instrumental	sukhyena	sukhyābhyām	sukhyaiḥ sukhyebhiḥ
Dative	sukhyāya	sukhyābhyām	sukhyebhyaḥ
Ablative	sukhyāt	sukhyābhyām	sukhyebhyaḥ
Genitive	sukhyasya	sukhyayoḥ	sukhyānām
Locative	sukhye	sukhyayoḥ	sukhyeṣu

Compound sukhya -

Adverb -sukhyam -sukhyāt