Maj7, Min7, Dom7, Min7b5, Dom7sus4, 7#5, Dim7, Maj6, Min6, Min9, 9, 7b9, 7#9, 13– at least 2 forms for each. These chord forms are in all fourth tuning
Instead of playing the full chord, you can simplify by using shell voicing. In shell voicing, you play only the chord tones which are the root, 3rd and 7th. Below
Knowing intervals for minor pentatonic scale is essential for improvisation. On all 4ths tuning, it's easy finding intervals because all shapes are movable