Vocabulary consisting only from characters you are able to read
難問
nanmon
perplexity, difficult question, difficult problemsuru
話題
wadai
topic, subjectmix
問う
tou
(1)to ask/to question/to inquire/ (2)to charge (i.e. with a crime)/to accuse/ (3)to care (about)/ (4)without regard to (with negative verb)/(P) godan, leda1, verb, vtrans
万
man
(num) 10,000, ten thousand, (adv) myriads, alljlpt5
果て
hate
the end, the extremity, the limit, the limits, the resultmix