Aphabetic letter pairs in words

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