Declension table of ?trisandhika

Neuter	Singular	Dual	Plural
Nominative	trisandhikam	trisandhike	trisandhikāni
Vocative	trisandhika	trisandhike	trisandhikāni
Accusative	trisandhikam	trisandhike	trisandhikāni
Instrumental	trisandhikena	trisandhikābhyām	trisandhikaiḥ
Dative	trisandhikāya	trisandhikābhyām	trisandhikebhyaḥ
Ablative	trisandhikāt	trisandhikābhyām	trisandhikebhyaḥ
Genitive	trisandhikasya	trisandhikayoḥ	trisandhikānām
Locative	trisandhike	trisandhikayoḥ	trisandhikeṣu

Compound trisandhika -

Adverb -trisandhikam -trisandhikāt