Chords
F-Bb-D or G-Bb-D
E-A-C
D-G-Bb
C-E-A
Bb-D-G
A-C-E
Just keep repeating that pattern all the way down the keyboard, then turn around and do it in reverse up the keyboard.
Shout run in G: B, C, C#, D, E, F, F#, G
Add in the basic shout run in the key of G to have some simple shouting music.
Both together
G, B / F-Bb-D
C, C# / E-A-C
D, E / D-G-Bb
F, F# / E-A-C
Try that and see what happens.