Declension table of ?sāyammantra

Masculine	Singular	Dual	Plural
Nominative	sāyammantraḥ	sāyammantrau	sāyammantrāḥ
Vocative	sāyammantra	sāyammantrau	sāyammantrāḥ
Accusative	sāyammantram	sāyammantrau	sāyammantrān
Instrumental	sāyammantreṇa	sāyammantrābhyām	sāyammantraiḥ sāyammantrebhiḥ
Dative	sāyammantrāya	sāyammantrābhyām	sāyammantrebhyaḥ
Ablative	sāyammantrāt	sāyammantrābhyām	sāyammantrebhyaḥ
Genitive	sāyammantrasya	sāyammantrayoḥ	sāyammantrāṇām
Locative	sāyammantre	sāyammantrayoḥ	sāyammantreṣu

Compound sāyammantra -

Adverb -sāyammantram -sāyammantrāt