Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
外科 geka surgical departmentbyouki
外来 gairai (1)(abbr) external origin, imported, (2)outpatient mix
会話 kaiwa conversationjlpt4, leda1
硬い katai (1)hard, solid, tough, (2)stiff, tight, wooden, unpolished (e.g. writing), (3)strong, firm (not viscous or easily moved), (4)safe, steady, honest, steadfast, (5)obstinate, stubborn, (6)bookish, adj, jlpt3
保存 hozon preservation, conservation, storage, saving (e.g. to disk), maintenancejlpt3, suru
独り子 hitorigo child, only childmix
氷点下 hjoutenka below freezing/(P)leda1
続々 zokuzoku successively, one after anothermix
意味 imi meaning, significancejlpt5
行間 gjoukan line-spacing in text, between the linesmix