query: SELECT
  	?item ?itemLabel ?itemDescription 
  	?part1 ?part1Label ?st1 
  	?part2 ?part2Label ?st2
  {
  	?item wdt:P31/wdt:P279* wd:Q10648343 . 
    	?item wdt:P527 ?part1 .
    	?item wdt:P527 ?part2 . 
    	FILTER(str(?part1) < str(?part2) )
  	FILTER NOT EXISTS { ?item wdt:P31 wd:Q2301325 }
    	?part1 wdt:P31 wd:Q5 .
  	?part2 wdt:P31 wd:Q5 .   
  	?part1 wikibase:statements ?st1 .
  	?part2 wikibase:statements ?st2 .  
    	SERVICE wikibase:label { bd:serviceParam wikibase:language "en" }
  }	ORDER BY ASC(?st1) 
  LIMIT 1000