Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
六つ むっつ sixjlpt5
五日 いつか five days, the fifth day (of the month)jlpt5, toki
~週間 ~しゅうかん week(s) (time interval)jlpt5, toki
かん sufix pro dobu trváníleda1
しち (num) sevenjlpt5
二つ ふたつ twojlpt5
ろく (num) sixjlpt5
十七 じゅうなな 17math
いつの間にか いつのまにか before one knows, before one becomes aware of, unnoticed, unawaresjlpt3
週間 しゅうかん týdenleda1, toki