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
者
もの
someone of that nature/someone doing that work; person (rarely used w.o. a qualifier)/(P); person (rarely used w.o. a qualifier)leda1
忍者
にんじゃ
ninja (persons in feudal Japan who used ninjutsu for the purposes of espionage, assassination, sabotage, etc.)sensou, shigoto