Vocabulary consisting only from characters you are able to read
山
jama
mountain, pile, heap, climax, critical pointjlpt5, shizen
水力
suirjoku
hydraulic power, water powermix
人
hito
man, person, human being, mankindhito, jlpt5
入口
iriguči
entrance, gate, approach, mouthjlpt5
火力
karjoku
heating power, steam powermix