query: SELECT DISTINCT ?property ?propertyLabel ?item ?itemLabel WHERE {
    ?item ?p wd:Q1246516 .
    FILTER NOT EXISTS { ?item a ?type . }
    
    ?property ?ref ?p .
    ?property a wikibase:Property .
    
    SERVICE wikibase:label { bd:serviceParam wikibase:language "en" . }
  } ORDER BY ?property ?item