Levelcodes
| Level | Code |
| Level 2 | FTGHJ |
| Level 3 | QRTHJ |
| Level 4 | ANJZU |
| Level 5 | XHNJK |
| Level 6 | SLOPZ |
| Level 7 | EHGTZ |
| Level 8 | DOUTZ |
| Level 9 | CQQW |
| Level 10 | BSDG |
| Level 11 | TIUI |
| Level 12 | HQMD |
| Level 13 | NDDD |
| Level 14 | JSLO |
| Level 15 | MMSE |
| Level 16 | KLVF |
| Level 17 | ISDD |
| Level 18 | OEFF |
| Level 19 | LSEE |
| Level 20 | YYVD |