Vocabulary consisting only from characters you are able to read
七日
なのか
seven days, the seventh day of the monthjlpt5, toki
忍び
しのび
(1)stealth, (2)(abbr) travelling incognito (traveling), (3)(abbr) ninjutsu, (4)(abbr) ninja, (5)sneak theft, sneak thief, (6)tolerance mix