Declension table of ?helana

Neuter	Singular	Dual	Plural
Nominative	helanam	helane	helanāni
Vocative	helana	helane	helanāni
Accusative	helanam	helane	helanāni
Instrumental	helanena	helanābhyām	helanaiḥ
Dative	helanāya	helanābhyām	helanebhyaḥ
Ablative	helanāt	helanābhyām	helanebhyaḥ
Genitive	helanasya	helanayoḥ	helanānām
Locative	helane	helanayoḥ	helaneṣu

Compound helana -

Adverb -helanam -helanāt