| Ll 47, 479s81 | |
| 68 | ogylch i bedwar bylch byd |
| H 26, 350s3 | |
| 68 | argylch i bedwar bylch byd |
| M 146, 370s1 | |
| 68 | ar gylch i bedwar bylch byd |
| M 212, rhif 13 | |
| 68 | ar gylch i bedwaar bylch byd |
| Pen 49, 3r | |
| 68 | o gylch i bedwar bylch byt |
| Ll 6, 25s8 | |
| 68 | ogylch y bedwar kylch y byd |