>> And this is good. While it prevents hyphenation of common short
>> words like `ei-ne', it globally increases readability of German
>> text. Of course, the exception is typesetting narrow columns; here
>> you should decrease \{left,right}hyphenmin accordingly.
>
> Isn’t it possible also to set up the total number of characters for
> a word to be hyphenated?
>
> I mean something different from \lefthpyhenmin and \righthyphenmin.
Example, please. It's not clear to me what you want to achieve.
Werner