Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
円い marui round, circular, sphericaladj, jlpt5
下がる sagaru to hang down/to abate/to retire/to fall/to step back/(P)godan, jlpt3, jlpt4, verb, vintrans
下水 gesui kanál, kanalizaceleda1
mizu waterjlpt5, kagaku, ryouri, shizen
山川 sansen; yamakawa; yamagawa mountains and rivers; mountains and rivers; mountain riversmix