Vocabulary consisting only from characters you are able to read
告白
こくはく
(1)confession, acknowledgement, acknowledgment, (2)profession of love, (3)confession of sins (e.g. the confessional) ai
行き
いき
(1)bound for ..., (n) (2)going (to) jlpt3
超える
こえる
(1)to cross over, to cross, to pass through, to pass over (out of), (2)to exceed ichidan, verb, vintrans
水力
すいりょく
hydraulic power, water powermix
若しかしたら
もしかしたら
(uk) perhaps/maybe/perchance/by some chance/by any chance/(P)jlpt3