Based on famous "geek, nerd, dork, dweeb diagram", but with other names. Ia means the milder aucorigia (in original diagram here was "geek" - intelligence + obsession), Ib the worst (because of the largest level of general problems, in original diagram the place was labelled "dork" - obsession + social ineptitude), IIa (there was "dweeb"), IIb (there was "nerd")