Vocabulary consisting only from characters you are able to read
お陰
おかげ
(your) backing, assistance, thanks or owing tomix
五日
いつか
five days, the fifth day (of the month)jlpt5, toki
山
やま
mountain, pile, heap, climax, critical pointjlpt5, shizen
水力
すいりょく
hydraulic power, water powermix