Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
空手 karate karatesport
空く aku to become vacantgodan, jlpt3, jlpt5, leda1, verb, vintrans
手のひら tenohira palmhito
sora skyjlpt5, leda1, shizen
手がかり tegakari (1)clue, key, trail, scent, track, contact, (2)handhold, on hand mix
空っぽ karappo prázdnýleda1
onaji; onajiku; kurikaeshi; dounojiten; noma množné číslo (sometimes voiced); repetition of kanji (sometimes voiced); repetition of kanji (sometimes voiced); repetition of kanji (sometimes voiced); repetition of kanji (jen výjmečně)
te handhito, jlpt5
空ける akeru vyprázdnit (láhev)ichidan, jlpt3, leda1, verb, vtrans
手にする tenisuru (1)to hold (in one's hand), to take (into one's hand), (2)to own, to obtain suru