Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
しち (num) sevenjlpt5
人口 じんこう populationjlpt4, leda1
お八つ おやつ snackryouri
一兆 いっちょう 1,000,000,000,000, one trillion, one billion (obs. British)mix
大ヒット だいヒット big hit, popular item (e.g. movie, music)ongaku