1. fang she xue   radiology   astrology   rheology   telegraphy   Hint Half-n-half Clue   2. dian xin fa   seismology   radiology   cosmetology   telegraphy   Half-n-half Clue   3. [jing;jing] [ji;ji]   radiology   economics   calligraphy   rheology   Half-n-half Clue   4. kun chong xue   rheology   archeology, archaeology   entomology   cosmetology   Half-n-half Clue   5. liu bian xue   rheology   ornithology   cosmetology   aeronautics   Half-n-half Clue   6. [de;di] zhen xue   entomology   rheology   seismology   radiology   Half-n-half Clue   7. hang [kong;kong] xue   topology   telegraphy   accountancy   aeronautics   Half-n-half Clue