Zese has an alphabet of only 13 letters. The letters and their pronunciations are listed below.
| Letter | IPA | English Approximation |
|---|---|---|
| a | /a/ | bat |
| b | /b/ | bet |
| d | /d/ | dot |
| e | /e/ | bet |
| g | /g/ | get |
| i | /i/ | beet |
| k | /k/ | king |
| o | /o/ | boat |
| p | /p/ | pet |
| s | /s/ | set |
| t | /t/ | tap |
| u | /u/ | boot |
| z | /z/ | zap |
Zese is traditionally written with all capital letters, but this is not mandatory.