Declension table of ?dvisandhya

Neuter	Singular	Dual	Plural
Nominative	dvisandhyam	dvisandhye	dvisandhyāni
Vocative	dvisandhya	dvisandhye	dvisandhyāni
Accusative	dvisandhyam	dvisandhye	dvisandhyāni
Instrumental	dvisandhyena	dvisandhyābhyām	dvisandhyaiḥ
Dative	dvisandhyāya	dvisandhyābhyām	dvisandhyebhyaḥ
Ablative	dvisandhyāt	dvisandhyābhyām	dvisandhyebhyaḥ
Genitive	dvisandhyasya	dvisandhyayoḥ	dvisandhyānām
Locative	dvisandhye	dvisandhyayoḥ	dvisandhyeṣu

Compound dvisandhya -

Adverb -dvisandhyam -dvisandhyāt