Vocabulary consisting only from characters you are able to read
南北
なんぼく
south and northmix
行間
ぎょうかん
line-spacing in text, between the linesmix
生水
なまみず
unboiled watermix
勉める
つとめる
to endeavor (endeavour), to try, to strive, to make an effort, to exert oneself, to be diligentichidan, verb, vtrans