Vocabulary consisting only from characters you are able to read
火薬
かやく
gunpowder, powdermix
有休
ゆうきゅう
(abbr) vacation, (paid) holidaymix
終始
しゅうし
(1)beginning and end/from beginning to end/doing a thing from beginning to end/(adv) (2)consistently/the whole time/(P) leda1, suru
使う
つかう
(1)to use (a thing, method, etc.)/to make use of/to put to use/ (2)to use (a person, animal, puppet, etc.)/to employ/to handle/to manage/to manipulate/ (3)to use (time, money, etc.)/to spend/to consu godan, jlpt5, leda1, verb, vtrans