Declension table of ?sīmantonnayanamantra

Masculine	Singular	Dual	Plural
Nominative	sīmantonnayanamantraḥ	sīmantonnayanamantrau	sīmantonnayanamantrāḥ
Vocative	sīmantonnayanamantra	sīmantonnayanamantrau	sīmantonnayanamantrāḥ
Accusative	sīmantonnayanamantram	sīmantonnayanamantrau	sīmantonnayanamantrān
Instrumental	sīmantonnayanamantreṇa	sīmantonnayanamantrābhyām	sīmantonnayanamantraiḥ sīmantonnayanamantrebhiḥ
Dative	sīmantonnayanamantrāya	sīmantonnayanamantrābhyām	sīmantonnayanamantrebhyaḥ
Ablative	sīmantonnayanamantrāt	sīmantonnayanamantrābhyām	sīmantonnayanamantrebhyaḥ
Genitive	sīmantonnayanamantrasya	sīmantonnayanamantrayoḥ	sīmantonnayanamantrāṇām
Locative	sīmantonnayanamantre	sīmantonnayanamantrayoḥ	sīmantonnayanamantreṣu

Compound sīmantonnayanamantra -

Adverb -sīmantonnayanamantram -sīmantonnayanamantrāt