1. 鳥類学.   calligraphy   telepathy   economics   ornithology   Hint Half-n-half Clue   2. 位相数学,   topology   ornithology   calligraphy   anthropology   Half-n-half Clue   3. 電信術   ornithology   aeronautics   telegraphy   telepathy   Half-n-half Clue   4. 地震学   seismology   archeology, archaeology   cosmetology   economics   Half-n-half Clue   5. 会計学   archeology, archaeology   seismology   accountancy   entomology   Half-n-half Clue   6. 舞踊術   seismology   choreography   astrology   aeronautics   Half-n-half Clue   7. 美容術   radiology   cosmetology   telepathy   choreography   Half-n-half Clue