I'd like to post this preliminary until approved by Jens.
Just in case rule #30 is coming into effect, as the minimum length of the dictionary words is nowhere mentioned...



Your solution passed all tests

KiXtart
KiXtart Version  = 4.53
KiXGolf Script   = kixgolf_A2Z.kix

Computer
OS               = Windows 2000 Professional
CPU              =               Intel(R) Pentium(R) 4 CPU 2.80GHz
Speed            = 2793 MHz
Memory           = 504 MB

KiXGolf Scoring Engine
Scoring Engine   = 3.3

KiXtart Golf Score
Tournament       = A-to-Z
Processing Start = 2007/09/14 14:39:12.109
Processing End   = 2007/09/14 14:39:12.156
Duration         = 0000/00/00 00:00:00.047
KiXGolf Score    = 207

Thank you for participating in KiXtart Golf!


 Code:
function a($b,$c)
    dim $,$d,$e
    $a=0
    for each $ in $b
        dim $f
        for each $d in $b
            if $<$d
                for $e=-9 to -2
                    if right($,-$e)=left($d,-$e)
                        $=$+' '+$d
                        $f=$f-$e+1
                    else
                        if $=join($c,left(right($,~),~))&($|)-$f<$a|~$a
                            $a=''+(($|)-$f)+' '+$
endfunction


Ugh. I feel a bit filthy now
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