Vocabulary consisting only from characters you are able to read
五日
icuka
five days, the fifth day (of the month)jlpt5, toki
人
hito
man, person, human being, mankindhito, jlpt5
山
jama
mountain, pile, heap, climax, critical pointjlpt5, shizen
水力
suirjoku
hydraulic power, water powermix