Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
エー足す1はビー エーたす1はビー A+1=Bmath
空く あく to become vacantgodan, jlpt3, jlpt5, leda1, verb, vintrans
足りない たりない (1)insufficient/not enough/lacking/ (2)dim-witted/slow/one brick short of a full load adj
ほん book, mainjlpt5
生かす いかす (1)to make (the best) use of, to leverage (skills, attributes, experience, etc.), to capitalise on (experience, etc), (2)to let live, to keep alive, (3)to revive, to resuscitate godan, verb, vintrans, vtrans
耳にする みみにする to hear, to hear by chance, to hear by accident, to catch (the sound)suru
天気 てんき weather, the elementsjlpt5, leda1, tenki
赤字 あかじ (1)deficit, (being in or going into) the red, (2)red text, red letters, (3)corrections (by a teacher or proofreader) written in red mix
本気(の) ほんき(の) vážně míněnýleda1
出る でる to appear, to come forth, to leaveichidan, jlpt5, verb, vintrans