齒 tooth 齔 losing baby teeth 齟 uneven 齠 baby teeth 齡 age 齣 a paragraph 齦 gums 齧 gnaw 齪 grating the teeth 齬 irregular teeth 齲 decayed tooth 齶 jaw 齷 grating the teeth 龕 alcove for an image 龜 turtle 龠 flute