Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
えん circlemath
~か月 ~かげつ month(s) (time interval)jlpt5, toki
ひと man, person, human being, mankindhito, jlpt5
さん (num) threejlpt5, mix
一ヶ月 いっかげつ one monthtoki
はち eightjlpt5
みず waterjlpt5, kagaku, ryouri, shizen
はな flowerjlpt5, leda1, shokubutsu
止める やめる to stopichidan, jlpt4, verb, vtrans
水力 すいりょく hydraulic power, water powermix