ya 
		(particle equivalent to 啊 after a vowel, expressing surprise or doubt)
		 
		
		
		
		
			 
		
				
		
			Guǎng yǎ 
		earliest extant Chinese encyclopedia from Wei of the Three Kingdoms, 3rd century, modeled on Erya 爾雅|尔雅[Er3 ya3], 18150 entries
		 
		
		
														
		
		
					
				
		
			yā ya jiǎo r 
		erhua variant of 壓壓腳|压压脚[ya1 ya5 jiao3]