If this is about lightness and using what you have and not as an excuse to buy something new, I would suggest:
35 and 135, for lightweight and usability.
If it is about covering a lot of bases with what you have and still minimal:
24-70 and 135.
If you wanted to add something extra renting a 70-200 or 70-300 would open up a few oportunities. My travel kit is the 35/1.4 and a 70-300mmL it covers everything for me.
If you are doing some street photography the 35, 85, 135 will be perfect and throw in the 17-40 for your landscape.
Happy trails.