| prefix | Batch | Raffles Team Selection Contest 2011 | 121 |
| pawns | Batch | Raffles Team Selection Contest 2011 | 62 |
| chopchopchop | Batch | Raffles Team Selection Contest 2011 | 20 |
| training | Batch | Raffles Team Selection Contest 2011 | 10 |
| river | Batch | Raffles Team Selection Contest 2011 | 4 |