Vocabulary consisting only from characters you are able to read
必ず
かならず
always/without exception/necessarily/certainly/without fail/positively/invariably/(P)jlpt3, jlpt4, leda1
必死
ひっし
(1)frantic/desperate/ (2)inevitable death/ (3)brinkmate (inevitable checkmate) (shogi)/(P) adj, leda1