The answer would be the "Breastroke" is the one you used the most meaning that when you swim you use your arms and legs.
I'm going to help you with the middle because it's a lot
1.ll
2.a
3.a
4.ll
5.a
6.e
7.a
8.e
9.e
10.ll
11.a
12.se
13.ll
14.a
15.ll
16.ll
pónselo
catamarán
méndigo
consoló
raíces
carácter
régimen