State | Observation values |
| Numbers, a-z, A-Z, Greek letters, begin with digitals and end with letters, begin and end with letters |
| +, −, !, %, & |
| +, −, =, /, :, *, <, > |
| !, :, ; |
| {, [, (, | |
| }, ], ), | |
| , , ; |
| ^, _ |