Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
nana 7jlpt5
四つ yottsu fourjlpt5
chikara strength, powerjlpt4, leda1
六つ muttsu sixjlpt5
shichi (num) sevenjlpt5
四十 yonjuu 40math
九つ kokonotsu ninejlpt5
kyuu ninejlpt5, mix
人口 jinkou populationjlpt4, leda1
kawa riverjlpt5, shizen