sobs sobt soci socm soco socr socs soic soim soir sois soit somb somi somm somo soom soor soos soot sorb sori sorm soro sorr sors sort sosi soso soss sost sotc sotm soto sots srbc srcc srct srib srim sris srmc sros srtr ssbr sscc ssci sscs ssis ssit ssmc ssoc ssot ssrc ssri ssrm ssrs sssb sssc sssi sssm ssss sstb sstc ssts stbc stbs stcc stcs stib stic stim stio stir stis stit stmc stms stmt stob stom stoo stor stos stot strc stri stro strs stsi stsm stss sttc sttr t-mo tbbs tbcb tbcc tbit tbrb tbst tcbs tccc tcom tcos tctc tcts tibi tibs ticc tico tics tiit timi timm timo tims tios tirb tiri tiro tirr tirs tisb tisi tism tiso tiss tist titc titi tito tits titt tmbc tmbr tmcc tmcm tmos tmro tmsc tmsi tmtt tobi tobo tobs tobt toci toco tois toit tomb tomi tomm tomo toms tomt toom toor toos toot torc tori torm toro torr tors tort tosb tosc tosi toso toss tost totc toti totm toto totr tots tott trcc tri- trib tric trim trio tris trit trmb trmi trms troc troi trom troo tros trot trsi trst trtc trtr tsbc tscc tsis tsmc tsob tsoi tsom tsos tssi tssm tssr tsst tstc tstm tsts ttbb ttim ttms ttss tttt