1 -10 | 10-12 | 12-16 | 16-22 | 22-4 | 4 -6 | 6 -7 | 7 -8 | 8 -As | As-Ci | Cl-De | De-Du | Du-Fa | Fa-La | La-Pe | Pi-Te | Te-Un | Un-Ut | Ut-Êt