The choices for the bits should at least match all of the bits sold by inventables, things like downcut and at least go up to the 1/4 bit and add wood types like pine. Some of the larger projects I work on is on pine since it is a lower cost softer wood to pick up at a home depot.
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I have found a Wood Hardness Chart
Here is the link - I hope it is helpful!
http://www.workshoppages.com/WS/Misc/Wood-Hardness-Chart.pdf
God Bless,
Martin