Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
~中 ~ちゅう in (the middle of), within, during, whilejlpt5
火口 かこう kráterleda1, shizen
下水 げすい kanál, kanalizaceleda1
~月 ~がつ month (of the year)jlpt5, toki
川上 かわかみ horní tok řekyleda1, shizen