a 11 12 b 11.2 12.3 c 11.8 12.6 d 11.1 12.9 e 11.3 12.4 f 11.7 12.1 g 2 3 h 2.4 3.4 i 2.1 3.8 j 2.9 3.1 k 2.6 3.5 l 2.5 3.6 m 2.2 3.9 n 2.7 3.5 o 2.3 3.4 p 1 7 q 1.1 7.8 r 1.2 7.3 s 1.5 7.9 t 1.3 7.2 u 1.5 7.1 v 1.4 7.2 w 1.9 7.7 x 1.3 7.1 y 1.6 7.8 z 16 2