1) After ars 2) Almost half a glass 3) Apostrophe followers, often 4) Assisi trio 5) Assistance trio 6) Bends 7) Bendy letters 8) Between ars and tees 9) Big section of a dictionary 10) Big sections of dictionaries 11) Bisset has two 12) Blessed duo 13) Blissful couple 14) Bluegrass duo 15) Bobsled challenges 
A series of turns with quick left and right transitions.
A series of acute left- and right-hand turns on a road course, one turn immediately following another.
Are a series of turns on a track that is shaped in an “S”. This turn style requires poise and balance as most esses can be taken at speed. Aerodynamics come into play here as well.