7.

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ORWWBIIXJVZGLLOTAU TX-TEREEKQFSPKIBEF ZGWXRFZZTUATL-DZTY DRLQHOGUMUARMDGMHZ VC-FAFYAUOBGDTHPOA GAHDSTTMZBTIUIOYSE ZYUMTIMQOCYARRJTDR ARGRRWUAWNNDTTRDIE TOFLOWRJUOOACOTYIH MTNMNRC-RZSRLPGAZP OIAUOEATGYNOT-WSJS SD-YMTSFAWGZXSRBKO PUTGEALHKYZIYAADUM HASTRONOMICAL-UNIT ESCISYHPORTSATC-TA RXTPWUPT-AVNAMXB-Z IOUMTQVHJQVPMOPGNY CFF-OSB-H-TB-NKCFT
1.
astrology
2.
astronaut
3.
astronomer
4.
astronomical-unit
5.
astronomy
6.
astrophysics
7.
atmosphere
8.
atmospheric
9.
atoll
10.
atom
11.
atp
12.
atrophy
13.
attribute
14.
auditory
15.
aurora