is DP 3.5 able to do this? Please see JPGs
Sure. Where are you getting stuck?
1 is the hotkey for 1/128th notes, or you can click the disclosure arrow in the left panel underneath 32nds and 64ths to reveal the icon.
If I turn on tuplet ratios and show the beaming as Dorico defaults, it looks like this:
Then split beams and hide tuplets from the properties panel:
I didn’t bother with the middle example but the only tuplet in there is a 6:4 64th note tuplet.