1 -3 | 3 -4 | 4 -7 | 7 -Bo | Bo-Ce | Ce-Cu | Cu-Do | Do-Fa | Fa-Gâ | Gâ-Gâ | Gâ-La | La-Mo | Mo-Pe | Pe-Po | Po-Ro | Ro-Su | Su-Tr | Tr-Un | Un-Ve | Ve-Œu