Declension table of ?śyāmāyitavya

Masculine	Singular	Dual	Plural
Nominative	śyāmāyitavyaḥ	śyāmāyitavyau	śyāmāyitavyāḥ
Vocative	śyāmāyitavya	śyāmāyitavyau	śyāmāyitavyāḥ
Accusative	śyāmāyitavyam	śyāmāyitavyau	śyāmāyitavyān
Instrumental	śyāmāyitavyena	śyāmāyitavyābhyām	śyāmāyitavyaiḥ śyāmāyitavyebhiḥ
Dative	śyāmāyitavyāya	śyāmāyitavyābhyām	śyāmāyitavyebhyaḥ
Ablative	śyāmāyitavyāt	śyāmāyitavyābhyām	śyāmāyitavyebhyaḥ
Genitive	śyāmāyitavyasya	śyāmāyitavyayoḥ	śyāmāyitavyānām
Locative	śyāmāyitavye	śyāmāyitavyayoḥ	śyāmāyitavyeṣu

Compound śyāmāyitavya -

Adverb -śyāmāyitavyam -śyāmāyitavyāt