Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
四つ よっつ fourjlpt5
一月 ひとつき one monthjlpt5, toki
九九 くく násobilkaleda1, math
~日 ~にち day (of the month)jlpt5, toki
~か月 ~かげつ month(s) (time interval)jlpt5, toki