Vocabulary consisting only from characters you are able to read

kanji kana meaning randomReload
利用 riyou use/utilization/utilisation/application/(P)jlpt3, jlpt4
調べる shiraberu to investigateichidan, jlpt4, verb, vtrans
元首 genshu ruler/sovereign/(P)leda1
倍数 baisuu multiplesmath
調和 chouwa harmonysuru