-ous dddd ddot ddss ddts dfds dfdt dfrf dfsm dftr dfts dmds dmdt dmft dmso dmss dmst dmtf dmts dmus dod- dodd dodo dods doff domm domo doms dood doof doom door doos doot dord dorf dorm doro dorr dors dort doru doso doss dost dotd doto dots dott doud douf doum dour dous dout drms drod drof drom drot drou drrs drum drus drut druu dsdm dsdr dsms dsos dsrr dsst dsto dsts dtor dtot dtss dudd dudo duds dudu duff dufu dumm dums duo- duos duro durt duru dust duts duur duut fdom fdos fdot fdst ffff ffrr ffss fftf fmod fmsr fmss fofo fomo fomt food foof foom foos foot for- ford form foro forr fors fort foso foss fost fotm foto fots fott foud four fous fout from fros frot frou frsm frso frst frum fsfo fssf ftos ftrs ftsr fudd fuff fufu fumo fums fuor fur- furm furo furr furs furt fusd fuso fuss fust fusu futo futs futu mddm mdds mdmf mdos mdot mdsd mdst mdud mfds mfor mfou mfrs mftf mmdf mmds mmfd mmff mmmd mmmm mmms mmod mmor mmrf mmsd mmst mmsu mmts mmus modd modo mods modu moff mofo mofu momo moms momu mood moor moos moot mord morf moro mors mort moru moso moss most mosu motd motm moto mots mott motu moud mouf mour mous mout mrdd mrds mrmd mrsd mrtm mrts mrtt mrud msff msfs msft msmm msms msmu msor msrt mssf mssm mssr msst mstr msts msud msus mtff mtom mtor mtrr mtss mtst mttr mtts mudd muds mudu muff mufu mumm mumo mums mumu muos murd muro murr murs murt muru musd muso muss must musu muto muts mutt mutu muut oddd odds odmr odom odoo odor odos odot odou odso odts odtu odum odur odus ofdr off- offo offr offs offu ofor ofst ofus omo- omoo omor omro omuo omus ooff oofs ooms oooo ooos oord oort oost oots oous ordo ords ordu orff orfs orfu ormo oro- orof orom oror oros orot orro orrs orso orsu orto orts orum orus osm- osmo osoo osor osos osrd osro ossd osso ossu ostr osts osum oto- otof otoo otor otos otro otrs otso otsu otto otts ottu otur otus ouds ouff our- ouro ours ourt ousd oust out- outo outs ouu- rdms rdos rdso rfds rmst rmtu rodd rodo rods roff rofo romd romm romo roms rood roof room roor roos root roro rort roru roso ross rost roto rotr rots rott roud rouf roum rous rout rrrr rrum rsdd rsds rsos rsts rstu rsum rtdt rtfm rtms rtss rtts rudd rudo ruds ruff rufo ruft rumm rumo rums rumt rurd ruro rurs ruru ruso russ rust rusu ruto ruts rutt rutu ruud s-os sdds sdmo sdms sdot sdrs sdsf sdsm sdss sdsu sdtm sfmm sfor sfos sfro sfss sfsu sfts smdr smod smof smos smot smrf smrt smsd smss smtd smtu smur smus smut sodd sodo sods sodu sofo soft somm somo sood soof soom soor soos soot sord sorm soro sorr sors sort soru soso soss sost sotm soto sots sotu soud souf soum sour sous sout sros srsd srtr ssdd ssdf ssdm ssot ssrm ssrs sssf sssm ssss sstd ssts stdm stds stfu stms stmt stod stof stom stoo stor stos stot stou strd stro strs stru stsf stsm stss sttd sttr stud stuf stum stur stus stut sudd sudo suds suf- suff sufr sufs sufu sum- sumd sumo sums sumu suor suos sur- surd surf suro surr surs surt suru sus- susd suso suss sust susu suto sutu suum suus t-mo tdff tdor tdss tfot tfrs tfsd tfss tmos tmou tmro tmtt todd todo tods todt todu toff tofo toft tofu tomm tomo toms tomt tood toof toom toor toos toot tord torf torm toro torr tors tort toru toso toss tost tosu totd totm toto totr tots tott toum tour tous tout trfd trfm trfr trmd trms trmu trod trom troo tros trot trou trsd trst trtr trud trus trut truu tsfm tsom tsos tsou tssf tssm tssr tsst tstm tsts tsum ttff ttms ttss tttt tudu tuff tufm tufo tuft tufu tums tumu tuor tuos turd turf turm turo turr turs turt turu tusd tusm tuss tust tuto tuts tutt tutu tuum tuuo udds udoo udos udot udsd udts ufms ufos umff ummo umms umor umsu umts umus umut uofm uofo uomo uor- urds urdu urff urft uro- urom uroo urso urss ursu urts urum urur urus urut usdf usdm usdo usds usdt usfs usmd usmm usms usos ussf ussr usss usst ussu ustm usto usts usus utfo utor utto uttu uutf uuuu