Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
土木 doboku public worksmix
小テスト shoutesuto quiz, small testmix
水力 suiryoku hydraulic power, water powermix
七日 nanoka seven days, the seventh day of the monthjlpt5, toki
上る noboru (1)to rise, to go up, to come up, to ascend, to be raised, (2)to enter (esp. from outdoors), to come in, to go in, (3)to enter (a school), to advance to the next grade, (4)to get out (of water), t godan, jlpt3, verb, vintrans