Vocabulary consisting only from characters you are able to read
同士
どうし
fellow, mutual, companion, comrade, bondingmix
不自由
ふじゆう
(1)discomfort, inconvenience, (2)poverty, want, destitution, (3)disability, impairment (physical, mental, etc.) jlpt3
十億
じゅうおく
1,000,000,000, billion (American), (obs) milliard (British)mix
合宿
がっしゅく
lodging together, training camp, boarding housesuru