Vocabulary consisting only from characters you are able to read
土日
donichi
weekend, Saturday and Sundaymix
下る
kudaru
(1)to descend, to go down, to come down, (2)to be handed down (of an order, judgment, etc.), (3)to pass (of time), (4)to surrender, to capitulate, (5)(often in neg. form) to be less than, to be i godan, jlpt3, verb, vintrans
水力
suiryoku
hydraulic power, water powermix
人
hito
man, person, human being, mankindhito, jlpt5