Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
二つ ふたつ twojlpt5
二日 ふつか second day of the month, two daysjlpt5, toki
六日 むいか six days, sixth (day of month)jlpt5, toki
いつの間にか いつのまにか before one knows, before one becomes aware of, unnoticed, unawaresjlpt3
あいだ a spacejlpt4, leda1, toki