Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
弟さん otoutosan younger brotherkazoku
足りない tarinai (1)insufficient/not enough/lacking/ (2)dim-witted/slow/one brick short of a full load adj
分子 bunši the numeratormath
大きい ookii big, large, greatadj, jlpt5
二日 fucuka second day of the month, two daysjlpt5, toki