amoy dialect barnett-chao bopomofo cantonese chinese postal map romanization chinese language romanisation in singapore comparison of chinese romanization systems cyrillization of chinese from pinyin foochow romanized fuzhou dialect general chinese guangdong romanization gwoyeu romatzyh hong kong government cantonese romanisation international phonetic alphabet jyutping latinxua sin wenz legge romanization mandarin chinese mandarin phonetic symbols ii meyer-wempe min dong min nan pinyin romanization of chinese romanization of chinese in the republic of china sidney lau romanisation simplified chinese characters simplified wade spelling in gwoyeu romatzyh standard cantonese standard cantonese pinyin standard mandarin taiwanese teochew dialect tongyong pinyin traditional chinese characters unicode wade-giles wu chinese