s-ib s-ic s-ii s-os sa-c saab saac saag saas saat saba sabb sabc sabi sabo sabs saca sacc saci saco sacs sact saga sagg sagi sago sags sagt saia saic sais sait saoi saos sasa sasc sasi saso sass sast sata satb satc satg sati sato sats satt sbaa sbac sbai sbas sbbs sbca sbcc sbcs sbct sbia sbic sbig sbot sbsa sbsi sbst sbtc scaa scab scac scag scai scas scat scba scbi sccc sccs scct scgs sci- scia scic scio scis scit scob scog scoo scot scsa scsc scsi scso scst sctc scto scts sgaa sgac sgca sgcb sgcg sggg sggs sgic sgio sgss sgta sgts siaa siab siac siag siai sias siat siba sibc sibi sibo sibs sica sicc sici sico sics siga sigg sigi sigo sigs siit sios siot sisa sisc sisi siss sist sit- sita sitc siti sito sits sitt soas soat soba sobo sobs sobt soca soci soco socs soga sogi sogo sogs soia soic sois soit soog soos soot sosa sosi soso soss sost sota sotc soto sots ssaa ssab ssac ssao ssas ssat ssca sscc ssci sscs ssgs ssgt ssis ssit ssoc ssot sssa sssb sssc sssi ssss ssta sstb sstc ssts stab stac stag stai stas stat stbc stbs stca stcc stcs stia stib stic stig stio stis stit stoa stob stog stoo stos stot stsi stss sttc taa- taag taas taat taba tabb tabc tabi tabo tabs taca tacc taci taco tacs tact taga tagg tagi tago tags taia taig taio tais tait taoa taos tasa tasb tasc tasi tass tast tata tatb tati tato tats tatt tbas tbbs tbca tbcb tbcc tbgs tbit tbst tbta tcbs tcca tccc tcga tcos tctc tcts tgcc tgtc tgts tiaa tiab tiao tias tiba tibi tibs tica ticc tico tics tiga tigi tigs tiit tios tisa tisb tisi tiso tiss tist tita titc titi tito tits titt toab toas toat toba tobi tobo tobs tobt toca toci toco toga togo togs togt tois toit tooa toos toot tosa tosb tosc tosi toso toss tost tota totc toti toto tots tott tsaa tsai tsao tsat tsbc tsca tscc tscg tsgt tsia tsig tsis tsob tsoi tsos tssa tssg tssi tsst tstc tsts ttab ttbb ttss tttt