Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
上下 džouge nahoře a doleleda1
下る kudaru (1)to descend, to go down, to come down, (2)to be handed down (of an order, judgment, etc.), (3)to pass (of time), (4)to surrender, to capitulate, (5)(often in neg. form) to be less than, to be i godan, jlpt3, verb, vintrans
火口 kakou kráterleda1, shizen
日本中 nihondžuu po (celém) Japonskuleda1, ryokou
山上 sandžou mountain topmix
ki tree, woodjlpt5, shokubutsu
人口 džinkou populationjlpt4, leda1
上る noboru (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), t godan, jlpt3, verb, vintrans
火山 kazan volcanoleda1, shizen
三日 mikka three days, the third day of the monthjlpt5, toki