I have no idea what most of them are but the bulbos are really leggy..you got those right, I'm almost certain...
Picture #4 is an oncidium alliance plant..
The most important question: Are these cloud forest orchids or more sea levelish? That might give you a clue. Peru, of course, has tons of native species so it might be hard...see this website: Living in Peru News 372 Native Orchid Species Inventoried at Machu Picchu, Peru
Hope you find some help! Some of them look a little rough but with some TLC might make it.
Here is a website that might help: