sa sb sc sd se sf sg sh si sj sk sl sm sn so sp sq sr ss st su sv sw sx sy sz s0 s1 s2 s3 s4 s5 s6 s7 s8 s9
sha shb shc shd she shf shg shh shi shj shk shl shm shn sho shp shq shr shs sht shu shv shw shx shy shz sh0 sh1 sh2 sh3 sh4 sh5 sh6 sh7 sh8 sh9