aliases = %{
      "l'" => "la",
      "dank'" => "danke"
    }

    |> Stream.map(fn word ->
      case aliases[word] do
        nil -> word
        als -> {word, als}
      end
    end)

  def save_word(sentence_id, {word, als}) do
    save_word(sentence_id, word)
    save_word(sentence_id, als)
    Bolt.Sips.query!(
      Bolt.Sips.conn(),
      """
      MATCH (w1:Word {word: $word1})
      MATCH (w2:Word {word: $word2})
      MERGE (w1) -[:ALIAS_OF]-> (w2)
      MERGE (w1) <-[:ALIAS_OF]- (w2)
      """,
      %{word1: word, word2: als},
      timeout: 25000
    )
  end