Vocabulary consisting only from characters you are able to read
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
術
すべ
way, method, meansmix
体術
たいじゅつ
classical form of martial artmix