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
上手い
umai
(1)skillful, clever, expert, wise, successful, (2)delicious, appetizing, appetising, (3)fortunate, splendid, promising adj