Declension table of ?yaṣṭyāhvaya

Masculine	Singular	Dual	Plural
Nominative	yaṣṭyāhvayaḥ	yaṣṭyāhvayau	yaṣṭyāhvayāḥ
Vocative	yaṣṭyāhvaya	yaṣṭyāhvayau	yaṣṭyāhvayāḥ
Accusative	yaṣṭyāhvayam	yaṣṭyāhvayau	yaṣṭyāhvayān
Instrumental	yaṣṭyāhvayena	yaṣṭyāhvayābhyām	yaṣṭyāhvayaiḥ yaṣṭyāhvayebhiḥ
Dative	yaṣṭyāhvayāya	yaṣṭyāhvayābhyām	yaṣṭyāhvayebhyaḥ
Ablative	yaṣṭyāhvayāt	yaṣṭyāhvayābhyām	yaṣṭyāhvayebhyaḥ
Genitive	yaṣṭyāhvayasya	yaṣṭyāhvayayoḥ	yaṣṭyāhvayānām
Locative	yaṣṭyāhvaye	yaṣṭyāhvayayoḥ	yaṣṭyāhvayeṣu

Compound yaṣṭyāhvaya -

Adverb -yaṣṭyāhvayam -yaṣṭyāhvayāt