1 2 3 4 5 7 8 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
S. S2 Sa Sb Sc Sd Se Sf Sg Sh Si Sj Sk Sl Sm Sn So Sp Sq Sr Ss St Su Sv Sw Sy
Sab Sac Saf Sai Sal Sam San Sap Sat Sav

Sample

Subgroup of a universe of cases or subjects under study, selected according to some rule or plan. A finite portion of a population.