くろがね

[ref dict="Unihan (Ch-En)"]鉄[/ref], [ref dict="Unihan (Ch-En)"]銕[/ref], [ref dict="Unihan (Ch-En)"]鋠[/ref], [ref dict="Unihan (Ch-En)"]鋨[/ref], [ref dict="Unihan (Ch-En)"]鐡[/ref], [ref dict="Unihan (Ch-En)"]鐵[/ref]