A small suitcase and a small messenger bag. what's all this backpack stuff? Is she hiking off road or just going to different cities?
She can buy everything she needs. She should have a lot of money saved. Will she be able to work? WIll she need an international driving license? ID card? Visa?
All she needs to bring are medications, prescriptions and a credit card, toothbrush, eyeliner, lip balm and mascara, a SPF 30 moisturiser. Maybe a few babywipes in a plastic bag in her handbag.
LOL at travelling in different countries with electrical equipment!! Different voltage....
She can buy everything else when she gets there, really. She can use laundrettes and cyber cafes.
It's like this:
She cannot pack what she'll need for a year, so don't pack anything - buy it there, and leave it there.
An kindle and a notebook, her phone, a VOIP credit account, a camera, I suppose if she must.
Some hard sweets for take off and landing, a bottle of water and and a small towel and some facial wipes in case the flight is delayed or diverted.
She should wear jeans, and a hoodie or a jumper and scarf. A warm jacket. A pair of socks and comfortable shoes.
A small carry on suitcase and a handbag is the max luggage she should carry: basically pack for three days, and keep laundering everything until it falls apart, buy some new things and then do the same.