Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
~月 ~gatsu month (of the year)jlpt5, toki
二つ futatsu twojlpt5
~か月 ~kagetsu month(s) (time interval)jlpt5, toki
一つ hitotsu onejlpt5
sen 1,000, thousandjlpt5
yon fourjlpt5
hyaku (num) 100, hundredjlpt5
ni (num) twojlpt5
一ヶ月 ikkagetsu one monthtoki
四十 yonjuu 40math