οκταπoς	singular, nominative	singular, nominative
	οκταπου	singular, genitive	singular, genitive
	οκταπo	singular, accusative	singular, accusative
	οκταπε	singular, vocative	singular, vocative
	οκταποι	plural, nominative	plural, nominative
	οκταπων	plural, genitive	plural, genitive
	οκταπους	plural, accusative	plural, accusative
	οκταποι	plural, vocative	plural, vocative