iso- isof isor isos isri issf issi isso issr isss issu istd isti isto istr ists isus itdo itif itis itof itoi itoo itor itos itou itrf itri itrs itsf itsi itso itsu ittf itto itur iuds iuiu iusd iuss iust iwis iwiw oddd oddi odds odio odir odis odiu odoo odor odos odot odou odso odts odtu odur odus ofdr off- offo offr offs offu ofid ofit ofor ofst ofus oido oids oiii oios oirt oisd oist oisu oiti oodi ooff oofs ooid oooo ooos oord oort oosi oost oots ootw oous ordo ords ordu orff orfi orfs orfu ori- orid orif orio oris orit oro- orof oror oros orot orri orro orrs orsi orso orsu orto orts orus orwo osdi osii osis osoi osoo osor osos osow osrd osro ossd ossi osso ossu osti ostr osts otif otis otit oto- otof otoo otor otos otow otro otrs otso otsu otti otto otts ottu otur otus otwo ouds ouff ouii ouir ouis ouit our- ouro ours ourt ousd oust out- outi outo outs ouu- owir owow owt- owtt owur rdio rdos rdso rfdi rfds rfid ridd ridi rido rids riff rifs rift rifu riif riis rios riot riou riri rirs risd risi riso riss rist risu riti rito rits ritt ritu rius riwo rodd rodi rodo rods rodw roff rofo roid roif roio roir rois roit roiu rood roof rooi roor roos root rori roro rort roru rosi roso ross rost roti roto rotr rots rott roud rouf rous rout rowd rowf rowi rowr rows rowt roww rrif rrrr rsdd rsds rsid rsis rsos rsts rstu rtdt rtss rtts rudd rudi rudo ruds ruff rufo ruft ruid ruif ruis ruit rurd ruri ruro rurs ruru rusi ruso russ rust rusu ruti ruto ruts rutt rutu ruud ruwi rwdi s-ii s-os sdds sdif sdio sdot sdrs sdsf sdss sdsu sfio sfor sfos sfro sfss sfsu sfts sfwu sidd sidi sido sidr sids siff sifo sifr sift sifu siit siod sior sios siot siou sirf siri siro sirr sirs sirt siru sisd sisi siss sist sisu sit- sitd siti sito sits sitt situ siui sius siut siwi sodd sodo sods sodu sofi sofo soft soif soir sois soit sood soof soor soos soot sord sori soro sorr sors sort soru sosi soso soss sost soto sots sotu sotw soud souf sour sous sout sowd sowf sowi sowr sows sowt srfi sris sros srsd srtr ssdd ssdf ssid ssis ssit ssot ssri ssrs sssf sssi ssss sstd ssts ssws stds stfu stfw stid stif stio stir stis stit stod stof stoo stor stos stot stou stow strd stri stro strs stru stsf stsi stss sttd sttr stud stuf stur stus stut stwd sudd sudi sudo suds suf- suff sufi sufr sufs sufu suid suio suir suis suit suor suos sur- surd surf suri suro surr surs surt suru sus- susd susi suso suss sust susu suti suto sutu suus suwu swfu swir swis swit swod swoo swor swot swow swsd swss swts tdff tdis tdor tdri tdss tfot tfrs tfsd tfsi tfss tidd tids tiff tifo tift tiit tiiu tios tiou tird tiri tiro tirr tirs tiru tisi tiso tiss tist titi tito tits titt titu tiwi todd todi todo tods todt todu toff tofi tofo toft tofu toid tois toit tood toof toor toos toot tord torf tori toro torr tors tort toru tosi toso toss tost tosu totd toti toto totr tots tott toui tour tous tout tows trfd trfr tri- trif trio tris trit trod troi troo tros trot trou trow trsd trsi trst trtr trud trus trut truu tsid tsis tsoi tsos tsou tssf tssi tssr tsst tsts tsui ttff ttss tttt tudi tudu tuff tufi tufo tuft tufu tuis tuit tuiu tuor tuos turd turf turi turo turr turs turt turu tusd tusi tuss tust tuti tuto tuts tutt tutu tuuo twdt twi- twis twit two- twod twof twoo twos twot twss uddi udds udid udir udoo udos udot udsd udts ufos uirr uisd uist uits uofo uofw uor- urds urdu urff urfi urft urif uris uriu uro- uroo urri ursi urso urss ursu urts urur urus urut usdf usdo usds usdt usfi usfs usif usis usoi usos ussf ussr usss usst ussu usti usto usts usui usus utfo utid utis utor utri utti utto uttu utwo uuri uusi uutf uuuu uwfi wddd wddo wddw wdis wdod wdor wdos wdow wdrr wdrt wdru wdsd wdso wdsr wdst wdsu wdti wdtr wdtw wduf wdur wdwd wdwr wdws wfdd wfdf wfdr wfds wfdu wfff wfid wfif wfir wfis wfit wfiu wfiw wfor wfos wfot wfrd wfrf wfro wfrs wfru wfrw wfsi wfso wfsr wfss wfst wfsu wftd wftf wftr wftu wftw wfur wfus wfwi wfwo widi widr wids widu widw wiff wifi wifo wifr wift wiif wiii wiis wiit wiiu wiod wioi wioo wios wiot wiou wird wiri wiro wirr wirt wiru wisd wiso wisr wiss wist wisu wisw witf witi witr wits witt witu wius wiuw wiwf wiwi wiwu wodd wodi wods wodt woff wofr woft woid woio woir wois wood woof woos woot woow word worf wori woro worr wors wort worw wosf woso woss wost wosu wosw wotr wots wott wotw woud wouf wour wous wout wouw wowf wowi wowo wows wowt woww wrdd wrdf wrdi wrdo wrdr wrdt wrdu wrdw wrfd wrff wrfi wrfs wrft wrfu wrfw wrif writ wriu wrod wroi wroo wros wrot wrow wrrd wrro wrrs wrrw wrsd wrsf wrsi wrso wrsr wrss wrsw wrti wrto wrtr wrts wrtu wrtw wruf wrus wrwd wrwr wsdr wsds wsfd wsff wsfr wsfs wsfw wsid wsif wsir wsis wsiu wsof wsoo wsor wsos wsou wsrf wsri wsro wsrs wsrt wsru wsrw wssd wssi wssr wsss wsst wssu wssw wstf wsto wstr wsts wstt wstu wstw wsuf wsui wsur wsus wsuw wswd wswi wswr wsws wswt wsww wtdr wtid wtif wtis wtiu wtod wtof wtor wtot wtou wtow wtri wtro wtrs wtrt wtru wtrw wtsd wtsf wtso wtsr wtss wtsu wttf wtti wtto wttr wtts wttt