Crossword Puzzle Goddess of early risers

Clue: Goddess of early risers

Early Atari offering (PONG with 4 letters)
Early Microsoft offering (DOS with 3 letters)
Early offspring (CAIN with 4 letters)
Spy's reaction to an early retirement offer? (DESKJOBINTERESTSAGENT with 21 letters)
They're often early risers (BIRDMEN with 7 letters)
Egypt's early goddess (ISIS with 4 letters)
Leaves the office early? (RESIGNS with 7 letters)
Lesson #1: For early risers only (TAPOFTHEMORNING with 15 letters)
Leaves early, as an office (VACATES with 7 letters)
Cheerful early risers (LARKS with 5 letters)