Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
五日 いつか five days, the fifth day (of the month)jlpt5, toki
人口 じんこう populationjlpt4, leda1
白バイ しろバイ police motorcycleryokou
しち (num) sevenjlpt5
黄色 きいろ yellowiro, jlpt5