希顶字母北京话
希顶字母北京话（ ），又称汉语拼音的希顶形式，即用希顶字母拼写的普通话，用到的字母包括：
- 除了、、、外的所有普通希顶字母，共41个；
- 扩展字母、、、、、、、，共8个；
共49个字母。
对照表
| 汉语拼音 | 希顶形式 |
|---|---|
| ba | |
| bai | |
| ban | |
| bang | |
| bao | |
| bei | |
| ben | |
| beng | |
| bi | |
| bian | |
| biao | |
| bie | |
| bin | |
| bing | |
| bo | |
| bu | |
| da | |
| dai | |
| dan | |
| dang | |
| dao | |
| de | |
| dei | |
| deng | |
| di | |
| dia | |
| dian | |
| diao | |
| die | |
| ding | |
| diu | |
| dong | d3} |
| dou | |
| du | |
| duan | |
| dui | |
| dun | |
| duo | |
| er | |
| fa | |
| fan | |
| fang | |
| fei | |
| fen | |
| feng | |
| fo | |
| fou | |
| fu | |
| ma | |
| mai | |
| man | |
| mang | |
| mao | |
| mei | |
| men | |
| meng | |
| mi | |
| mie | |
| mian | |
| miao | |
| min | |
| ming | |
| miu | |
| mo | |
| mou | |
| mu | |
| pa | |
| pai | |
| pan | |
| pang | |
| pao | |
| pei | |
| pen | |
| peng | |
| pi | |
| pian | |
| piao | |
| pie | |
| pin | |
| ping | |
| po | |
| pu | |
| ta | |
| tai | |
| tan | |
| tang | |
| tao | |
| te | |
| tei | |
| teng | |
| ti | |
| tian | |
| tiao | |
| tie | |
| ting | |
| tong | t3} |
| tou | |
| tu | |
| tuan | |
| tui | |
| tun | |
| tuo | |