Declension table of ?sāpya

Masculine	Singular	Dual	Plural
Nominative	sāpyaḥ	sāpyau	sāpyāḥ
Vocative	sāpya	sāpyau	sāpyāḥ
Accusative	sāpyam	sāpyau	sāpyān
Instrumental	sāpyena	sāpyābhyām	sāpyaiḥ sāpyebhiḥ
Dative	sāpyāya	sāpyābhyām	sāpyebhyaḥ
Ablative	sāpyāt	sāpyābhyām	sāpyebhyaḥ
Genitive	sāpyasya	sāpyayoḥ	sāpyānām
Locative	sāpye	sāpyayoḥ	sāpyeṣu

Compound sāpya -

Adverb -sāpyam -sāpyāt