Vocabulary consisting only from characters you are able to read
七日
nanoka
seven days, the seventh day of the monthjlpt5, toki
国字
kokuji
(1)country's official writing system, native script, (2)kana, (3)kanji that originated in Japan (as opposed to China) bunpou
人工
jinkou
artificial, manmade, human work, human skill, artificialitymix
百
hyaku
(num) 100, hundredjlpt5
大学院生
daigakuinsei
graduate studentmix
手がかり
tegakari
(1)clue, key, trail, scent, track, contact, (2)handhold, on hand mix