Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
使える つかえる to be useful/to be serviceableichidan, leda1, verb
ひと man, person, human being, mankindhito, jlpt5
二階 にかい second flooruchi
~週間 ~しゅうかん week(s) (time interval)jlpt5, toki
十分 じゅっぷん 10 minutestoki