Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
生ごみ namagomi kitchen wastemix
白星 shiroboshi (1)white circle/white star/ (2)victory mark (sumo)/(P) leda1
買う kau to buygodan, jlpt5, verb, vtrans
問う tou (1)to ask/to question/to inquire/ (2)to charge (i.e. with a crime)/to accuse/ (3)to care (about)/ (4)without regard to (with negative verb)/(P) godan, leda1, verb, vtrans
数理 suuri mathematicsmath