Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
一ヶ月 いっかげつ one monthtoki
一つ ひとつ onejlpt5
~月 ~がつ month (of the year)jlpt5, toki
~か月 ~かげつ month(s) (time interval)jlpt5, toki
九九 くく násobilkaleda1, math