This was my favourite show as a tween. Recently revisited it for nostalgia's sake.
Tamaki - IEE. Can see arguments for ESE as well
Haruhi - EII. I thought SLI at first via virtue of Tamaki being her dual as well as the first few eps but as you keep watching you find out that she's as EII as they come
Hikaru - SLE. Not confident in this one but I am confident in Kaoru being IEI (see: that entire pumpkin thing), and Hikaru being his dual makes sense(?)
Kaoru - IEI
Kyoya - LIE
Honey - SEI
Mori - LSE
Tamaki - IEE. Can see arguments for ESE as well
Haruhi - EII. I thought SLI at first via virtue of Tamaki being her dual as well as the first few eps but as you keep watching you find out that she's as EII as they come
Hikaru - SLE. Not confident in this one but I am confident in Kaoru being IEI (see: that entire pumpkin thing), and Hikaru being his dual makes sense(?)
Kaoru - IEI
Kyoya - LIE
Honey - SEI
Mori - LSE