| Réponse | Nombre de lettres |
|---|---|
| OA | 2 lettres |
| OB | 2 lettres |
| OC | 2 lettres |
| OD | 2 lettres |
| OE | 2 lettres |
| OF | 2 lettres |
| OG | 2 lettres |
| OH | 2 lettres |
| OI | 2 lettres |
| OK | 2 lettres |
| OL | 2 lettres |
| OM | 2 lettres |
| ON | 2 lettres |
| OO | 2 lettres |
| OP | 2 lettres |
| OQ | 2 lettres |
| OR | 2 lettres |
| OS | 2 lettres |
| OT | 2 lettres |
| OU | 2 lettres |
| OV | 2 lettres |
| OX | 2 lettres |
| OZ | 2 lettres |