Vocabulary consisting only from characters you are able to read
勉める
tsutomeru
to endeavor (endeavour), to try, to strive, to make an effort, to exert oneself, to be diligentichidan, verb, vtrans
日の丸
hinomaru
(1)outline of the sun (esp. represented as a red circle)/ (2)(abbr) the Japanese flag/(P) leda1
制度
seido
system, institution, organization, organisationmix