Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
大きな丸石 ookinamaruiši bouldershizen
集会 šuukai meeting, assembly, gathering, congregation, convention, rallysuru
切手 kitte stampjlpt5, leda1
水牛 suigjuu buffalodoubutsu
切れる kireru (1)to cut well/to be sharp/ (2)to break (off)/to snap/to wear out/ (3)to be injured/ (4)to burst/to collapse/ (5)to be disconnected/to be out of/to expire/to sever (connections) with/ (6)to be shrewd ichidan, jlpt3, leda1, verb, vintrans