| Level | Easy | Medium | Hard |
| 2 | DVYLWKVYNL | QVYLWKVYDT | DLTLWKVYYC |
| 3 | GRYLWKWVNR | TRYLWKWVNN | GNYLWKWVPP |
| 4 | DRYLSRWVRY | QRYLSRWVTS | DNYLSRWVPT |
| 5 | GVZLSRWQKZ | TVZLSRSQKB | GLZLSRSVPW |
| 6 | DVZLSVQKK | QVZLBVSQRL | DLZLBVSVVB |
| 7 | GRZLBVSQZY | TRZLBVBQKB | GNZLBVBQVL |
| 8 | DRZLBVSQGG | QRZLBVBQKS | DNZLBVBQVN |
| 9 | GVYNBVBQGD | TVYNBVBQRL | GLYNBVBQQD |
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