Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
川上 かわかみ horní tok řekyleda1, shizen
そら skyjlpt5, leda1, shizen
四つ よっつ fourjlpt5
ぶん partmix
出る でる to appear, to come forth, to leaveichidan, jlpt5, verb, vintrans
水力 すいりょく hydraulic power, water powermix
古来 こらい from time immemorial, ancient, time-honoured, time-honoredtoki
まん (num) 10,000, ten thousand, (adv) myriads, alljlpt5
休む やすむ to rest, to be finished, to retiregodan, jlpt5, leda1, verb, vintrans
文字 もじ písmo, písmenoleda1