Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
手がかり tegakari (1)clue, key, trail, scent, track, contact, (2)handhold, on hand mix
数学 suugaku mathematicsgakkou, jlpt4, math
発行 hakkou (1)issue (publications), publishing, (2)raising an event (software) suru
角切り kakugiri cut into cubesmix
目薬 megusuri eye dropsbyouki