Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
八つ やっつ eightjlpt5
そら skyjlpt5, leda1, shizen
空っぽ からっぽ prázdnýleda1
(num) twojlpt5
一つ ひとつ onejlpt5
三つ みっつ threejlpt5
空く あく to become vacantgodan, jlpt3, jlpt5, leda1, verb, vintrans
おなじ; おなじく; くりかえし; どうのじてん; のま množné číslo (sometimes voiced); repetition of kanji (sometimes voiced); repetition of kanji (sometimes voiced); repetition of kanji (sometimes voiced); repetition of kanji (jen výjmečně)
あい loveai, jlpt3
I love you!ai
あき autumn, falljlpt5, leda1, toki
空ける あける vyprázdnit (láhev)ichidan, jlpt3, leda1, verb, vtrans
さん (num) threejlpt5, mix
はち eightjlpt5
いち onejlpt5
二つ ふたつ twojlpt5
Because I love you.ai
お八つ おやつ snackryouri