Common typos: changyhhangyhcangyhchngyhchagyhchanyhchangjchangygchangyychangynchangybchangyuchangyhxhangyhvhangyhdhangyhfhangyhcjangyhcgangyhcyangyhcnangyhcbangyhcuangyhchsngyhchqngyhchzngyhchwngyhchamgyhchabgyhchajgyhchahgyhchanfyhchanhyhchantyhchanvyhchanbyhchanyyhchanguhchangthchanghhchang6hchang7hchanggchhangyhhcangyhcahngyhchnagyhchagnyhchanygjhchangyhjchangyghchangyhgchangyyhchangyhychangynhchangyhnchangybhchangyhbchangyuhchangyhuchangyhxchangyhcxhangyhvchangyhcvhangyhdchangyhcdhangyhfchangyhcfhangyhcjhangyhchjangyhcghangyhchgangyhcyhangyhchyangyhcnhangyhchnangyhcbhangyhchbangyhcuhangyhchuangyhchsangyhchasngyhchqangyhchaqngyhchzangyhchazngyhchwangyhchawngyhchamngyhchanmgyhchabngyhchanbgyhchajngyhchanjgyhchahngyhchanhgyhchanfgyhchangfyhchanghyhchantgyhchangtyhchanvgyhchangvyhchangbyhchanygyhchangyyhchanguyhchangyuhchangythchangyhhchang6yhchangy6hchang7yhchangy7hchanggyhchangyghhchangyhcchangyhchhangyhchaangyhchanngy