Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
人口 jinkou populationjlpt4, leda1
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
今月 kongetsu this monthjlpt5, leda1, toki
山川 sansen; yamakawa; yamagawa mountains and rivers; mountains and rivers; mountain riversmix