Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
空ける あける vyprázdnit (láhev)ichidan, jlpt3, leda1, verb, vtrans
空っぽ からっぽ prázdnýleda1
handhito, jlpt5
手にする てにする (1)to hold (in one's hand), to take (into one's hand), (2)to own, to obtain suru
そら skyjlpt5, leda1, shizen
手のひら てのひら palmhito
空手 からて karatesport
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)
手がかり てがかり (1)clue, key, trail, scent, track, contact, (2)handhold, on hand mix
空く あく to become vacantgodan, jlpt3, jlpt5, leda1, verb, vintrans