Recursive generator for combinations of a multiset?

[Dan Stromberg]

On Wed, Nov 20, 2013 at 10:46 PM, John O'Hagan <research at johnohagan.com>wrote:

>
> Short story: the subject says it all, so if you have an answer already,
> fire away. Below is the long story of what I'm using it for, and why I
> think it needs to be recursive. It may even be of more general
> interest in terms of filtering the results of generators.
>

I think you probably need permutations rather than combinations.

Also, I think you'll need to form a word (partitioned off by spaces), and
then check it against a set containing /usr/share/dict/words before
recursing for the remainder of the sentence - this should speed things up a
LOT.
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