The Alphabet Train once turned up crewed with ghosts, and after the initial shock passed, quickly became popular with people who wanted to end up somewhere entirely else on the globe fast - whatever the crew's language was, it'd visit cities in that language's alphabetical order.
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Multilingual crews can take shortcuts between the alphabets by codeswitching, but it's a risky business - a Lojbanist crew was once a bit too clever and lost the train in a parallel universe for months. Still, philologists sometimes use it to travel Europe in the original Basque.
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