Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
六つ むっつ sixjlpt5
九九 くく násobilkaleda1, math
二十日 はつか twenty days, twentieth day of the monthjlpt5, toki
~か月 ~かげつ month(s) (time interval)jlpt5, toki
ろく (num) sixjlpt5