omus oocr ooho oohs ooms oooh oooo ooos oort oost ootb oots oous orbb orbo orbs orbu orch orco orcs orgo orgs orhs ormo oro- orom oror oros orot orro orrs orso orsu ortc orth orto orts orub orum orus oscc osco oshc osho oshs oshu osm- osmo osoo osor osos osro ossb osso ossu ostc ostr osts osum otbs otho othr oths oto- otog otoh otoo otor otos otro otrs otsg otso otsu otto otts ottu otur otus oubs oucc ouch ough our- ouro ours ourt oust out- outb outh outo outs ouu- rbbb rbbr rbbs rbgh rbhs rbms rboh rbss rbst rcbc rcbo rccb rccc rccs rcgc rchb rchm rchs rcms rcos rcrg rcsc rcss rctc rctg rcts rghs rgtr rgts rhbg rhcg rhcm rhhs rhob rhoc rhog rhoh rhos rhsm rhug rhum rhus rmbs rmhs rmrg rmsc rmst rmtu rob- robb robo robs robt robu rocc roch roco rocs rogg rogh rogo rohm rohr rohs rohu romb romm romo roms roob roog room roor roos root rorc roro rort roru rosc rosh roso ross rost rotc rotg roth roto rotr rots rott roub rouh roum rous rout rrhs rrmc rrrr rrum rscc rsch rscs rsgb rsgc rshs rsmg rsos rsts rstu rsum rtcc rtcg rtcm rtgs rths rtmc rtms rtss rtts rubb rubs rubu ruch ruct rugg rugh rugs ruhh ruhm ruhr ruhs rumb rumm rumo rums rumt rurc ruro rurs ruru rush ruso russ rust rusu ruth ruto ruts rutt rutu s-os sbbs sbcc sbcs sbct sbhc sbhs sbmc sbor sbot sbst sbtc sbus sccc sccm sccs scct scgs sch- schh scho schr schs scmc scmm scmo scms scob scog scoh scom scoo scor scot scr- scrc scrs scsc scsh scso scsr scst scsu sctc scto sctr scts scub scug scum scur scut sgcb sgcg sggg sggs sghc sghs sgro sgsh sgsm sgss sgts shbm shbs shbt shcc shgc shgr shhh shhs shm- shmo shog shom shoo shor shos shot shou shrs shsc shtg shts shub shug shum shur shus shut shuu smbc smbh smcc smch smgs smhs smoc smog smos smot smrt smsc smsh smss smtc smth smtu smug smur smus smut sobo sobr sobs sobt sobu soch socm soco socr socs sogh sogo sogs sohh sohm soho sohs sohu somb somm somo soog soom soor soos soot sorb sorg sorh sorm soro sorr sors sort soru sosh soso soss sost sotc soth sotm soto sots sotu soum sour sous sout srbc srcc srch srct srgb srhs srmc sros srtr srub ssbr sscc sscs ssgs ssgt sshs ssmc ssoc ssot ssrc ssrg ssrm ssrs sssb sssc sssh sssm ssss sstb sstc ssth ssts stbc stbs stcc stch stcs stcu stgr sthg sths stmc stms stmt stob stog stom stoo stor stos stot stou strc stro strs stru stsm stss sttc sttr stub stuc stug stum stur stus stut sub- subb subg subh subm subo subs suc- succ such sucr sucs sug- sugg sugh sugo suhb suho suhr sum- sumo sums sumu suoh suor suos sur- surc surg suro surr surs surt suru sus- suso suss sust susu suto sutu suum suus t-mo tbbs tbcb tbcc tbgs tbhs tbrb tbst tcbs tccc tccu tch- tchh tcho tchr tchs tchu tcom tcos tcsh tctc tcts tgcc tghs tgtc tgts thbs thch thmb thms thmt thog thom thoo thor thos thot thou thro thru thsr thss thtb thtr thts thug thum thur thus tmbc tmbg tmbr tmcc tmcm tmhs tmos tmou tmro tmsc tmtt tobo tobs tobt tobu toch toco togh togo togr togs togt toho tohu tomb tomg tomm tomo toms tomt tooh toom toor toos toot torc torg torm toro torr tors tort toru tosb tosc tosh toso toss tost tosu totc toth totm toto totr tots tott toug touh toum tour tous tout trcc trhs trmb trms trmu troc trog trom troo tros trot trou trst trtc trtr trub truc trug trus trut truu tsbc tscc tscg tsgt tshb tshs tsmc tsob tsom tsos tsou tssg tssm tssr tsst tstc tstm tsts tsum ttbb ttms ttss tttt tubb tubo tubr tubs tubu tucc tuch tuco tugg tugh tugs tugu tuhs tuht tuhu tumb tums tumu tuor tuos turb turc turg turm turo turr turs turt turu tusc tush tusm tuss tust tuto tuts tutt tutu tuum tuuo ubbo uboc ubos ucbc ucho uchs ucmc ucom ucos ucrc ucsb ucsc ucsm ucst ucsu ucut ugcc ugcg uggo uggs uggt ughs ugos ugro ugur uguu uhoh uhrs uhss uhuh umb- umbo umgo umhs ummg ummo umms umor umsu umts umus umut uocc uomo uor- urbs urch urgh urgu urho uro- urom uroo urrh urso urss ursu urth urts urum urur urus urut usbc usbr usbs uscc uscg usch uscm usco uscs usgo usho ushr ushs ushu usmc usmm usms usoc usog usos ussb ussc ussr usss usst ussu ustb ustc ustm usto usts usus utmb utor utsc utto uttu utug uuoc uuuu