dfaf dfas dfds dfdt dffa dfrf dftr dfts doar doas doat dod- doda dodd dodo dods doff dood doof door doos doot dora dord dorf doro dorr dors dort doru dosa doso doss dost dota dotd doto dots dott doud douf dour dous dout douw dowa dowd dowf dowr dows dowt draa drad draf drar dras drat drau draw drda drod drof drot drou drow drra drrs drsa drua drus drut druu dsda dsdr dsfa dsoa dsos dsrr dssa dsst dsto dsts dtaa dtor dtot dtss duaa duad duar duas duat duda dudd dudo duds dudu duff dufu duo- duos dura duro durt duru dusa dust duta duts duur duut duwa dwad dwar dwas dwdd dwdu dwor dwrd dwrt dwrw dwsr dwst dwts dwww faaa faad faas fada fadd fado fads fafa faff fafo fara fard faro farr fars fart faru fasa fasd faso fass fast fata fatf fato fats fatt faud faur faut fawd fawf fawt fdoa fdos fdot fdst ffar ffff ffrr ffsa ffss fftf fftw ffwd foad foaf foar foda fofo food foof foos foot for- fora ford foro forr fors fort fosa foso foss fost fota foto fots fott fotw foua foud four fous fout fowd frad fras frat frau fros frot frou frow frso frst frta fsas fsfo fsra fssa fssf fsta ftos ftrs ftsa ftsr fttw ftwo fuad fuar fuat fuda fudd fuff fufu fuor fur- fura furo furr furs furt fusa fusd fuso fuss fust fusu futa futo futs futu fuwa fwdd oaau oafo oafs oara oars oass oast oats odas odda oddd odds odoo odor odos odot odou odra odso odts odtu odur odus ofas ofdr off- offa offo offr offs offu ofor ofra ofst ofta ofus ooaa ooda ooff oofs oooo ooos oora oord oort oosa oost oots ootw oous orad orao orar oras orat orda ordo ords ordu orff orfs orfu oro- orof oror oros orot orra orro orrs orsa orso orsu orta orto orts orus orwa orwo osaf osar osas osat osfa osoo osor osos osow osrd osro ossa ossd osso ossu osta ostr osts otar otas oto- otof otoo otor otos otow otra otro otrs otsa otso otsu otta otto otts ottu otur otus otwo ouad ouat ouds ouff our- oura ouro ours ourt ousa ousd oust out- outa outo outs ouu- owar owda owow owsa owt- owtt owur owwa raad raaf raas raat rada radd rado radr rads radt radu rafa raff raft raos rara rarf raro rars rasa rasd raso rass rast rasu rata ratf rato rats ratt ratu raua raud rauf raus raut rawa rawr raws rawu raww rdas rdfa rdos rdso rfds road roaf roar roas roat roda rodd rodo rods rodw roff rofo rood roof roor roos root rora roro rort roru rosa roso ross rost rota roto rotr rots rott roua roud rouf rous rout rowa rowd rowf rowr rows rowt roww rrad rras rrat rrrr rsaa rsaf rsdd rsds rsos rssa rsts rstu rsua rtas rtdt rtss rtts ruad ruas ruda rudd rudo ruds rufa ruff rufo ruft rura rurd ruro rurs ruru rusa ruso russ rust rusu ruta ruto ruts rutt rutu ruud ruwa s-os saad saaf saar saas saat sada sadd sado sadr sads sadt sadu safa saff safo safr saft safu saor saos saou sara sard sarf saro sarr sars sart saru sasa sasd sasf saso sass sast sata satd sato satr sats satt satu saua saud sauf saur saus saut sawa sawd sawf saws sawt sdau sdds sdot sdrs sdsf sdss sdsu sfar sfas sfor sfos sfra sfro sfss sfsu sfts sfwa sfwu soad soar soas soat soaw soda sodd sodo sods sodu sofa sofo soft sood soof soor soos soot sora sord soro sorr sors sort soru sosa soso soss sost sota soto sots sotu sotw soud souf sour sous sout sowa sowd sowf sowr sows sowt sraf sras sraw sros srsd srta srtr ssaa ssao ssas ssat ssau ssaw ssdd ssdf ssot ssra ssrs sssa sssf ssss ssta sstd ssts ssws stad star stas stat stau staw stds stfu stfw stoa stod stof stoo stor stos stot stou stow stra strd stro strs stru stsf stss sttd sttr stud stuf stur stus stut stwd suar suas suat suaw suda sudd sudo suds suf- sufa suff sufr sufs sufu suor suos sur- sura surd surf suro surr surs surt suru sus- susa susd suso suss sust susu suta suto sutu suus suwa suwu swad swaf swar swas swat swfu swod swoo swor swot swow swsd swss swts taa- taaf taar taas taat tada tado tads tafa taff tafo taft taoa taor taos taou tara tard tarf taro tarr tars tart taru tasa tasr tass tast tasu tata tato tatr tats tatt tatu taua taur taus taut tawa tawd tawo taws tawt taww tdff tdor tdra tdss tfot tfrs tfsd tfss toad toas toat toau toaw toda todd todo tods todt todu tofa toff tofo toft tofu tooa tood toof toor toos toot tora tord torf toro torr tors tort toru tosa toso toss tost tosu tota totd toto totr tots tott tour tous tout towa tows traa trad traf trao tras trat trau traw trfd trfr troa trod troo tros trot trou trow trra trsd trst trtr trud trus trut truu tsaa tsao tsar tsat tsau tsos tsou tssa tssf tssr tsst tsts tswa ttfa ttff ttss tttt tuao tuar tuas tuat tudu tufa tuff tufo tuft tufu tuor tuos tura turd turf turo turr turs turt turu tusa tusd tuss tust tuta tuto tuts tutt tutu tuuo twas twat twdt two- twoa twod twof twoo twos twot twss uafa uars uart uaru uasa uasd uata uatu uaua uaws udaa udad udar udas udau udds udoo udos udot udra udsd udts uffa ufos ufra ufwa uofa uofo uofw uor- urad urao uras urat urau urda urds urdu urfa urff urft uro- uroa uroo urra ursa urso urss ursu urts urur urus urut urwa us-a usaa usad usaf usar usas usat usda usdf usdo usds usdt usfa