Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
天女 tennjo heavenly nymph, celestial maidenmix
四日 jokka fourth day of the month, four daysjlpt5, toki
hi dayjlpt4, toki
水力 suirjoku hydraulic power, water powermix
小石 koiši pebbleleda1, shizen
mizu waterjlpt5, kagaku, ryouri, shizen
工学 kougaku engineeringmix
五日 icuka five days, the fifth day (of the month)jlpt5, toki
ši (num) fourjlpt5, mix
jama mountain, pile, heap, climax, critical pointjlpt5, shizen