Crossword Puzzle Groups of objects

Clue: Groups of objects

Office groups (STAFFS with 6 letters)
Office betting groups (POOLS with 5 letters)
Groups of staff officers (CADRES with 6 letters)
Offshoot groups (SECTS with 5 letters)
Floral offering (LEI with 3 letters)
Offered formally (TENDERED with 8 letters)
Least offensive (TAMEST with 6 letters)
Airline that offers the most nonstop flights between the U.S. and Israel (ELAL with 4 letters)
World's largest office building (PENTAGON with 8 letters)
Official paperwork, for short (DOCS with 4 letters)