92, although I suspect it may not run in polynomial time...:) 
sub assemble
{$l=eval(join'+',map{y===c}@_);for$x('a'..'z'x$l,'A'..'Z'x$l){return$x
+ if!grep{$x!~/$_/}@_}}

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In reply to Re: (Golf) Fragment Reassembly by indigo
in thread (Golf) Fragment Reassembly by MeowChow

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