[ SynNone :< CompoundF
    ( DotListF
        (
            ( SynNone :< SimpleF
                ( SimpleSymbol "가" )
            ) :|
            [ SynNone :< SimpleF
                ( SimpleSymbol "나" )
            , SynNone :< SimpleF
                ( SimpleSymbol "다" )
            ]
        )
        ( SynNone :< SimpleF
            ( SimpleSymbol "라" )
        )
    )
]