Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
十日 tooka ten days, the tenth day of the monthjlpt5, toki
B分のA bbunnoa A / B (fraction)math
山々 yamayama mountainsshizen
人口 jinkou populationjlpt4, leda1
九日 kokonoka nine days, the ninth day (of the month)jlpt5, toki