query: sparql?query=#defaultView:Table
  SELECT ?state ?stateLabel WHERE {
    ?state wdt:P31 wd:Q35657.
    FILTER NOT EXISTS {
      ?state p:P1813 ?abbrevStmt.
      ?abbrevStmt ps:P1813 ?abbrev.
      ?abbrevStmt pq:P31 wd:Q30619513.
      ?abbrevStmt pq:P580 ?start.
      FILTER NOT EXISTS { ?abbrevStmt pq:P582 []. }
    }
    SERVICE wikibase:label { bd:serviceParam wikibase:language "en". }
  }