Yes, i made one pal, check it out ! :) http://forum.naruto.oasgames.com/en/forum.php?mod=viewthread&tid=205&extra=page%3D1

In team page clicking on Display Matches for some char it will show combo on every ninja that can do combo with him. Also reading Standard attack and Passives of every character will help you to understand how combo works and witch ninja can do combo with other

Thanks for the info everyone. :)

Take a look at effects of attacks and ninjutsus, for example, if one ability chases low flooded enemies (1),then you find a ninja that has low flood effect on an ability (2), after you found that you place 2 before 1 and after 2 attacks 1 will follow up and there's a little combo, like this you can make whole team chain each other and get 20 hit+ combos. I hope you understood what I wanted to say.

so basically i put number 2 ninja infront of number 1 ninja right ?

Your ninjas get numbers when you line them up.

If you have for example two ninjas who can chase repulse in your team, then the ninja with the lower number will chase repulse first, and the other might not get a chance to

is Naurto good ;P?

i want to combo
how to test best combo?

Yeah making combo is hard for beginners.