Ki exercises. Ki is very natural, so it flows in and through people, whether they are familiar with the concept or not.
What needs to be trained is to experience this flow, increase it, and learn to utilize it better. For a good ki flow, several things have to be worked on, mainly: posture breathing center extension. These interact, so that one without the others is not enough. AIKIDO TECHNIQUES - The basic aikido moves. All the basic moves of aikido.
At my dojo Enighet in Malmö, we have made a listing of basic aikido techniques and on what attacks they are reasonably possible to do. The list is long, of course. We have also formulated some basic principles on what to be considered by tori (defender), uke (attacker) or both. In case this is of any use to you, here it all is. There may be additions in the future. Andrewmlee8's Aikido Channel.
Aikido Journal Home. Tai sabaki - Aikido body movement. Aikido Aikikai of Philadelphia.