つぼ

[ref dict="Unihan (Ch-En)"]坩[/ref], [ref dict="Unihan (Ch-En)"]坪[/ref], [ref dict="Unihan (Ch-En)"]垌[/ref], [ref dict="Unihan (Ch-En)"]壷[/ref], [ref dict="Unihan (Ch-En)"]壺[/ref]