Crossword Clue:

Part of A B A Abbr

Answer	Crossword Clue
AMER	Part of A.B.A.: Abbr.
BAC	Part of A.B.: Abbr.
ASSN	Part of N.B.A.: Abbr.

SYS	Part of A.B.S.: Abbr.
NATL	Part of N.B.A.: Abbr.
NATL	N.B.A. part: Abbr.
SYS	Part of C.B.S.: Abbr.
SYST	Part of C.B.S.: Abbr.
INTL	Part of I.S.B.N.: Abbr.
NATL	N.L.R.B. part: Abbr.
ASSN	Part of A.B.A.

ARTS	Part of a B.A.
RIGELA	Brightest star in Orion, which is part of a binary system with a much fainter B star
ASSOC	The "A" of "N.B.A.": Abbr.
ASSN	The "A" of N.B.A.: Abbr.
ATTS	A.B.A. members: Abbr.
ATT	A.B.A. member: Abbr.
ATTY	A.B.A. member: Abbr.
DEG	M.A. or M.B.A.: Abbr.

ASSN	The "A" in N.B.A.: Abbr.
ANS	A or B on a test, maybe: Abbr.