Vocabulary consisting only from characters you are able to read

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