query: SELECT ?l ?lemma WHERE {
     ?l a ontolex:LexicalEntry ; dct:language ?language ;
          wikibase:lemma ?lemma .
    ?language wdt:P218 'pl'.
    FILTER ( CONTAINS( ?lemma, " ") )
    FILTER NOT EXISTS { ?l wdt:P5238 ?comb }
  } ORDER BY ?lemma