otis otit oto- otok oton otoo otos otso otti otto otts s-ic s-ii s-os sccc sccs scct scdc scds sci- scic scid scin scio scis scit sck- scnd scnt scok scon scoo scot scsc scsd scsi scsn scso scst sctc sctd sctn scto scts sdcc sdco sddc sdds sdic sdio sdot sdsc sdss sicc sici sick sico sics sidd sidi sido sids siik siit siki siko siks sind sini sink sinn sino sins sint siod sion sios siot sisc sisd sisi sisk siss sist sit- sitc sitd siti sitn sito sits sitt skic skid skik skin skio skis skit skn- skon skot sksd skss sncc snco snid snit snns snoc snod snoo snos snot snsd soci sock soco socs sodd sodo sods soic soik soin sois soit soki sokk sokn soko son- sond soni sonk sono sons sont sood sook soon soos soot sosi soso soss sost sotc sotk sotn soto sots sscc ssci sscs ssdc ssdd ssid ssin ssis ssit ssns ssoc ssot sssc sssi ssss sstc sstd ssts stcc stcs stds stic stid stik stio stis stit stks stnd stnn stns stod stok ston stoo stos stot stsi stss sttc sttd tccc tcdd tcnn tcon tcos tctc tcts tdis tdss ticc tick tico tics tidc tidd tids tiit tiki tiko tinc tind tini tink tinn tino tins tint tion tios tisi tiso tiss tist titc titi tito tits titt tkod tkon tkos tkts tncc tndd tnik tnks tnts toci tock toco todd todi todo tods todt toid tois toit toki toko toni tonk tonn tono tons tood took toon toos toot tosc tosi tosk toso toss tost totc totd toti toto tots tott tscc tsid tsin tsis tsks tsoi tsos tssi tsst tstc tsts ttcn tton ttss tttt