SM: sphagnum
SN = season
SO = soprano
SP - setup
SQ = suq
variant of souk, an open-air marketplace in North Africa and the Middle East
SR: sculptor
SS = secessionists
ST: sentient
SU = sou
SV = shiv
SW - scarecrow
SX - sex!
SY: sexy!
SZ = showbiz
TA = tarantella
TB - thingamabob
TC - tonic
TD = trend
TE = tentative
TF = tariff