the splash birds (all the yellow) could come from your splash lady OR your blue (grey) ladies. The splash crossed with Mr P's splash will always be splash. The blue ladies have a black AND a splash gene that turns the black to blue. As such, they could have produced the blue (grey) or splash babies. The blue babies could have come from the blue OR black ladies (blue ladies getting Mr P's other color or black ladies getting mr P's splash color). The black babies had to have gotten the OTHER coloring (Penne, Rico, and Tippy included) Mr P has, the blonde, non-splash. Otherwise they could NOT be black. Their mothers could be the grey ladies (getting the black gene) or any of the NON splash ladies.
I know you know who's eggs Penne, Tippy, and Rico came from, but as the other lot lost track of which egg each chick came from, it should simplify the process a bit.
Combs: any with obvious straight comb are probably from Penelope. Otherwise, have to wait on comb development and hope it helps ID the moms.
Leakage: any color leakage that comes through as they get their adult feathers (@12 weeks) can also help ID the moms.