Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
無くなる nakunaru be lostgodan, jlpt3, jlpt4, verb, vintrans
二人 futari two persons, two people, pair, couplejlpt5
八つ jaccu eightjlpt5
四つ joccu fourjlpt5
水力 suirjoku hydraulic power, water powermix