10
A,AA,AA01,AA02,AA03,AA04,AA05,AA06,AA07,AB,AB01,AB03,AB05,AB06,AB07,AB08,AB10,AB13,AB14,AB15,AB17,AB18,AC,AC02,AD,AD01,AD02,AE,AE01,AF,AF01,AF02,AF03,AF04,AF05,AF07,AF08,AG,AG01,AG03,AG04,AG05,AG06,AG07,B,BA,BA01,BA02,BA04,BA06,BA07,BA08,BB,BB01,BB03,BB04,BB05,BB06,BB07,BB09,BB10,BB11,BC,BC01,BC02,BC03,BC04,BC10,BC11,BD,BD01,BD02,BD03,BD04,BE,BE01,BE02,BE03,BE04,BE06,C,CA,CA01,CA02,CA03,CA04,CA05,CA06,CB,CB01,CB02,CB03,CB04,CB05,CB06,CC,CC01,CC02,CD,CD01,CD02,CD03,CD04,CD05,CD06,CD07,D,DA,DA01,DA02,DA03,DA04,DA05,DB,DB01,DC,DC01,DC02,DC03,DD,DE,DF,DG,DH,DI,E,EA,EA01,EA02,EA03,EA04,EB,EB02,EB03,EB04,EB05,EB06,EB07,EC,EC01,EC02,EE,EE01,EE02,EE03,F,FA,FC,FD,FE,FF,G,GA,GB,J