| SUL letter | IPA pronunciation | Type | Function | Key |
| a | a | vowel | letter | a |
| e | e | vowel | letter | e |
| i | i | vowel | letter | i |
| o | o | vowel | letter | o |
| u | u | vowel | letter | u |
| t | t | consonant | letter | t |
| f | f | consonant | letter | f |
| s | s | consonant | letter | s |
| k | k | consonant | letter | k |
| g | g | consonant | letter | g |
| n | n | glue letter | the n glue (drawn - in notation) - joins pieces - applies to everything before it | n |
| w | w | glue letter | the w glue (drawn + in notation) - modifies only the piece just before it | w |