Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
二人 futari two persons, two people, pair, couplejlpt5
九九 kuku násobilkaleda1, math
人工 jinkou artificial, manmade, human work, human skill, artificialitymix
七夕 tanabata svátek Tanabataleda1, namae
katana swordsensou