Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
三つ mittsu threejlpt5
人口 jinkou populationjlpt4, leda1
水力 suiryoku hydraulic power, water powermix
hito man, person, human being, mankindhito, jlpt5
kuchi mouth, orifice, openinghito, jlpt5