soba sobo sobs sobt soca socl soco socs soga sogo sogs sola soll solo sols solt soog sool soos soot sosa soso soss sost sota sotc sotl soto sots ssaa ssab ssac ssao ssas ssat ssca sscc sscs ssgs ssgt ssla sslc sslt ssoc ssot sssa sssb sssc ssss ssta sstb sstc sstl ssts stab stac stag stal stas stat stbc stbs stca stcc stcs stlc stlg stlo stlt stoa stob stog stol stoo stos stot stss sttc taa- taag taal taas taat taba tabb tabc tabl tabo tabs taca tacc tacl taco tacs tact taga tagg tago tags tala talc tall talo tals taoa taos tasa tasb tasc tass tast tata tatb tato tats tatt tbas tbbs tbca tbcb tbcc tbgs tbst tbta tcbs tcca tccc tcga tcos tctc tcts tgcc tgtc tgts tlac tlco tlgc tlos toab toal toas toat toba tobo tobs tobt toca toco toga togo togs togt tol- tola toll tolo tolt tooa tool toos toot tosa tosb tosc toso toss tost tota totc toto tots tott tsaa tsal tsao tsat tsbc tsca tscc tscg tsgt tsob tsol tsos tssa tssg tsst tstc tsts ttab ttbb ttss tttt