| Relationship | Method(s) |
|---|---|
| Leadend/halflead variant | Paradox Doubles |
| Reverse | What You Please Doubles |
| EP1-1 | [Unnamed] Singles, Triples, Caters, Cinques, Sextuples, Septuples, Octuples, Nonuples, Decuples, Twenty-Three |
| EP1-3 | [Unnamed] Triples, Caters, Cinques, Sextuples, Septuples, Octuples, Nonuples, Decuples, Twenty-Three |
| EP1-4 | [Unnamed] Triples, Caters, Cinques, Sextuples, Septuples, Octuples, Nonuples, Decuples, Twenty-Three |
| EP4-1/0:0:1 | [Unnamed] Triples, Caters, Cinques, Sextuples, Septuples, Octuples, Nonuples, Decuples, Twenty-Three |
| EP4-1/0:0:3 | [Unnamed] Triples, Caters, Cinques, Sextuples, Septuples, Octuples, Nonuples, Decuples, Twenty-Three |
| EP4-1/0:0:4 | [Unnamed] Minimus, Minor, Triples, Major, Caters, Royal, Cinques, Maximus, Sextuples, Fourteen, Septuples, Sixteen, Octuples, Eighteen, Nonuples, Twenty, Decuples, Twenty-Two, Twenty-Three, Twenty-Four |