Vocabulary consisting only from characters you are able to read
2階
2kai
(1)storey/story/floor/(n) (2)stairs/(n,n-suf) (3)stage (in chronostratigraphy)/(ctr) (4)counter for storeys and floors of a building/(P); stairs; (n) stairs mix
十日
tooka
ten days, the tenth day of the monthjlpt5, toki
二十日
hatsuka
twenty days, twentieth day of the monthjlpt5, toki
五日
itsuka
five days, the fifth day (of the month)jlpt5, toki