prefix owl: <http://www.w3.org/2002/07/owl#>
prefix obo: <http://purl.obolibrary.org/obo/>

SELECT DISTINCT ?cls WHERE
{
  {?cls a owl:AnnotationProperty .}
  UNION
  {?cls a owl:ObjectProperty .}
  UNION
  {?x <http://www.geneontology.org/formats/oboInOwl#inSubset> ?cls}
  UNION
  {?x <http://www.geneontology.org/formats/oboInOwl#hasSynonymType> ?cls}
  FILTER (!isBlank(?cls))
}