Vocabulary consisting only from characters you are able to read
七日
nanoka
seven days, the seventh day of the monthjlpt5, toki
赤字
akaji
(1)deficit, (being in or going into) the red, (2)red text, red letters, (3)corrections (by a teacher or proofreader) written in red mix
2と3分の2
nitosanbunnoni
2 2/3 (two and two thirds)math