| Count | Prefix |
|---|---|
| 32 | luc- |
| 13 | luc. |
| 1 | luc1 |
| 1 | luc4 |
| 2,223 | luca |
| 31 | lucb |
| 277 | lucc |
| 35 | lucd |
| 774 | luce |
| 11 | lucf |
| 8 | lucg |
| 439 | luch |
| 2,747 | luci |
| 6 | lucj |
| 5,769 | luck |
| 33 | lucl |
| 22 | lucm |
| 19 | lucn |
| 111 | luco |
| 24 | lucp |
| 8 | lucq |
| 254 | lucr |
| 43 | lucs |
| 32 | luct |
| 53 | lucu |
| 11 | lucv |
| 6 | lucw |
| 2 | lucx |
| 1,210 | lucy |
| 26 | lucz |