Vocabulary consisting only from characters you are able to read
忍び
šinobi
(1)stealth, (2)(abbr) travelling incognito (traveling), (3)(abbr) ninjutsu, (4)(abbr) ninja, (5)sneak theft, sneak thief, (6)tolerance mix
二十日
hacuka
twenty days, twentieth day of the monthjlpt5, toki
九日
kokonoka
nine days, the ninth day (of the month)jlpt5, toki
水力
suirjoku
hydraulic power, water powermix