Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
上がる あがる (1)to rise/to go up/to come up/to ascend/to be raised/ (2)to enter (esp. from outdoors)/to come in/to go in/ (3)to enter (a school)/to advance to the next grade/ (4)to get out (of water)/to come asho godan, verb, vintrans
下がる さがる to hang down/to abate/to retire/to fall/to step back/(P)godan, jlpt3, jlpt4, verb, vintrans
下らない くだらない (uk) good-for-nothing, stupid, trivial, worthlessadj
火口 かこう kráterleda1, shizen
十七 じゅうなな 17math