| HARD | +/- E hydrocephalus-agyria-retinal dysplasia plus or minus encephalocele [syndrome] |
|---|---|
| HEDH | hypohidrotic ectodermal dysplasia-hypothyroidism [syndrome] |
| HEPOD | hereditary expansile polyostotic dysplasia |
| IDDM-MED | insulin-dependent diabetes mellitus-multiple epiphyseal dysplasia [syndrome] |
| IED | inherited epidermal dysplasia; intermittent explosive disorder |