| Count | Prefix |
|---|---|
| 20 | ql- |
| 12 | ql. |
| 7 | ql1 |
| 3 | ql2 |
| 5 | ql3 |
| 3 | ql4 |
| 2 | ql5 |
| 3 | ql6 |
| 1 | ql7 |
| 3 | ql8 |
| 4 | ql9 |
| 128 | qla |
| 19 | qlb |
| 54 | qlc |
| 203 | qld |
| 92 | qle |
| 22 | qlf |
| 15 | qlg |
| 23 | qlh |
| 261 | qli |
| 13 | qlj |
| 10 | qlk |
| 27 | qll |
| 42 | qlm |
| 18 | qln |
| 132 | qlo |
| 20 | qlp |
| 14 | qlq |
| 18 | qlr |
| 66 | qls |
| 67 | qlt |
| 48 | qlu |
| 7 | qlv |
| 21 | qlw |
| 10 | qlx |
| 21 | qly |
| 16 | qlz |