Thanks for this link; it was very interesting! But you should take into account that some rules are more general expressions of others. For example, in your pe

Thanks for this link; it was very interesting! But you should take into account that some rules are more general expressions of others. For example, in your penultimate "(recommended)" table, there is no point in having both "-hen" and "-chen" for neutral, as the latter is a specialization of the former. Same for "-ung" and "-rung"/"-tung" in feminine.