Vocabulary consisting only from characters you are able to read
水力
suiryoku
hydraulic power, water powermix
回り
mawari
(1)circumference, perimeter, edge, (2)surroundings, locality, neighborhood, (3)rotation, circulation jlpt3
七日
nanoka
seven days, the seventh day of the monthjlpt5, toki
日銀
nichigin
(abbr) Bank of Japan, BOJ, BoJmix