Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
いち onejlpt5
なか inside, middle, amongjlpt5
一口 ひとくち (1)mouthful, bite, sip, draft, draught, (2)one word mix
二つ ふたつ twojlpt5
人口 じんこう populationjlpt4, leda1