Vocabulary consisting only from characters you are able to read
八日
youka
eight days, the eighth (day of the month)jlpt5, toki
水力
suiryoku
hydraulic power, water powermix
山
yama
mountain, pile, heap, climax, critical pointjlpt5, shizen
田んぼ
tanbo
paddy field, farmmix
人
hito
man, person, human being, mankindhito, jlpt5