Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
naka inside, middle, amongjlpt5
四日 yokka fourth day of the month, four daysjlpt5, toki
上手い umai (1)skillful, clever, expert, wise, successful, (2)delicious, appetizing, appetising, (3)fortunate, splendid, promising adj
十日 tooka ten days, the tenth day of the monthjlpt5, toki
人口 jinkou populationjlpt4, leda1