Vocabulary consisting only from characters you are able to read
水力
suiryoku
hydraulic power, water powermix
二人
futari
two persons, two people, pair, couplejlpt5
山
yama
mountain, pile, heap, climax, critical pointjlpt5, shizen
一口
hitokuchi
(1)mouthful, bite, sip, draft, draught, (2)one word mix