Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
mizu waterjlpt5, kagaku, ryouri, shizen
一つ hitocu onejlpt5
kawa riverjlpt5, shizen
nana 7jlpt5
水力 suirjoku hydraulic power, water powermix
ni (num) twojlpt5
夕べ juube večerleda1, toki
風力 fuurjoku wind powermix
人口 džinkou populationjlpt4, leda1
入口 iriguči entrance, gate, approach, mouthjlpt5