Vocabulary consisting only from characters you are able to read
入口
iriguči
entrance, gate, approach, mouthjlpt5
水力
suirjoku
hydraulic power, water powermix
二人
futari
two persons, two people, pair, couplejlpt5
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