Array
(
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            [1] => E
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    [T] => Array
        (
            [0] => A
            [1] => D
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    [E] => Array
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            [0] => A
            [1] => D
            [2] => N
            [3] => W
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    [N] => Array
        (
            [0] => E
            [1] => W
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    [D] => Array
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            [0] => T
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            [2] => Q
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            [1] => N
            [2] => Q
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    [Q] => Array
        (
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            [1] => W
        )

)
<br>Array
(
    [T] => Array
        (
            [0] => A
        )

    [E] => Array
        (
            [0] => A
        )

    [D] => Array
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    [N] => Array
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    [W] => Array
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            [0] => E
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    [Q] => Array
        (
            [0] => D
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        )

)