ban,bian,pan,pian,man,mian,fan,dan,dian,tan,tian,nan,nian,lan,lian,gan,guan,kan,kuan,han,huan,jian,juan,qian,quan,xian,xuan,zhan,zhuan,chan,chuan,shan,shuan,ran,ruan,zan,zuan,can,cuan,san,suan,yan,yuan,wan……