Declension table of ?śīyamāna

Neuter	Singular	Dual	Plural
Nominative	śīyamānam	śīyamāne	śīyamānāni
Vocative	śīyamāna	śīyamāne	śīyamānāni
Accusative	śīyamānam	śīyamāne	śīyamānāni
Instrumental	śīyamānena	śīyamānābhyām	śīyamānaiḥ
Dative	śīyamānāya	śīyamānābhyām	śīyamānebhyaḥ
Ablative	śīyamānāt	śīyamānābhyām	śīyamānebhyaḥ
Genitive	śīyamānasya	śīyamānayoḥ	śīyamānānām
Locative	śīyamāne	śīyamānayoḥ	śīyamāneṣu

Compound śīyamāna -

Adverb -śīyamānam -śīyamānāt