query: SELECT DISTINCT ?item ?itemLabel 
  WHERE {
    hint:Query hint:optimizer "None".
    SERVICE wikibase:mwapi {
      bd:serviceParam wikibase:api "Search";
                      wikibase:endpoint "www.wikidata.org";
                      mwapi:srsearch "ski* -haswbstatement:P31".
      ?title wikibase:apiOutput mwapi:title.
    }
    BIND(IRI(CONCAT(STR(wd:), ?title)) AS ?item)
    FILTER NOT EXISTS { ?item wdt:P21 []. }
    FILTER NOT EXISTS { ?item wdt:P279 []. }  
    ?article schema:about ?item ;
            schema:isPartOf <https://en.wikipedia.org/> .
    SERVICE wikibase:label { bd:serviceParam wikibase:language "[AUTO_LANGUAGE],en". }
  } order by ?itemLabel
  # LIMIT 10000