query: select distinct (?l1 as ?item) (concat(replace(str(?l1),str(wd:),"{{L|"),"}}") as ?l_) {
    ?l1 dct:language wd:Q188;
        wikibase:lemma ?lemma.
    ?l2 wikibase:lemma ?lemma filter (?l1 != ?l2).
    minus { ?l1 wdt:P5402 ?l2 }
  } order by ?lemma