ffff ffhs ffii ffss fftf fftw fhfs fhhs fhit fhss fiff fifi fifo fift fiii fios fish fisi fiss fist fiti fits fitt fofo fohs fois foof foos foot fosh fosi foso foss fost foth foti foto fots fott fotw fsfi fsfo fshs fssf fths ftii ftos fttw ftwo fwhs fwiw h-ii hfhs hfss hhhh hhhs hhof hiff hifh hifi hifo hihi hiho hiht hiis hiit hish hiss hist hiti hito hits hitt hiwi hoff hofs hoho hoif hois hoit hoof hoos hoot hosh hoss host hoth hoti hoto hots hott hotw howf howh howi hows howt hsfs hshs hsts hths htoh hwts ifht ifis ifit ifso ifto ihis ihit ihss iiht iiii iiio iiis iiit iioi iioo iios iisi iist iitt iiwi ioii ioio ioit ioof iooi iooo ioos ioso iotf ioto ishi ishs isis isit iso- isof isos issf issh issi isso isss isth isti isto ists iths itif itis itof itoh itoi itoo itos itsf itsi itso ittf itto iwho iwis iwiw off- offh offo offs ofit ofst ohhi ohho ohhs ohif ohio ohis ohoh ohos ohow ohso ohss ohto oiii oios oist oiti ooff oofs ooho oohs oooh oooo ooos oosi oost oots ootw oshi osho oshs osii osis osoi osoo osos osow ossi osso osti osts otho oths otif otis otit oto- otof otoh otoo otos otow otso otti otto otts otwo owoh owow owt- owth owtt s-ii s-os sfhs sfio sfos sfss sfts shft shhh shhs shih shii shio shis shit shof shoo shos shot show shts siff sifo sift sihi sihs siht siit sios siot sish sisi siss sist sit- sith siti sito sits sitt siwi sofi sofo soft sohh soho sohs soif sois soit soof soos soot sosh sosi soso soss sost soth soto sots sotw sowf sowi sows sowt sshs ssis ssit ssot sssf sssh sssi ssss ssth ssts ssws stfw sths stif stih stio stis stit stof stoo stos stot stow stsf stsi stss swhs swis swit swoo swot swow swss swth swts tfot tfsi tfss thi- thif thio this thof thoo thos thot thow thss thts tiff tifo tift tiht tiit tios tish tisi tiso tiss tist tith titi tito tits titt tiwi toff tofi tofo toft tohi toho tois toit toof tooh toos toot tosh tosi toso toss tost toth toti toto tots tott towh tows tshi tshs tsis tsoi tsos tssf tssi tsst tsts ttff ttss tttt twhs twi- twis twit two- twof twoh twoo twos twot twss wfff wffh wfhs wfht wfif wfis wfit wfiw wfos wfot wfsh wfsi wfso wfss wfst wftf wfth wftw wfwi wfwo whfh whfi whfs whfw whhh whhi whho whhs whht whhw whif whii whio whis whit whof whoi whoo whos whot whow whsh whss whst whtf whth whto whts whtt whwh wiff wifi wifo wift wihs wiht wiif wiii wiis wiit wioi wioo wios wiot wish wiso wiss wist wisw witf with witi wits witt wiwf wiwi woff woft wohf wohi wohs woht woio wois woof woos woot woow wosf wosh woso woss wost wosw woth wots wott wotw wowf wowi wowo wows wowt woww wsff wsfs wsfw wshh wsho wshs wshw wsif wsis wsof wsoh wsoo wsos wssi wsss wsst wssw wstf wsto wsts wstt wstw wswi wsws wswt wsww wthi wths wtht wtif wtis wtof wtoh wtot wtow wtsf wtso wtss wttf wtth wtti wtto wtts wttt wttw wtwf wtwo wtws wtwt wtww wwfw wwhi wwho wwht wwii wwio wwis wwof wwos wwot wwow wwsf wwsh wwsi wwss wwst wwtf wwth wwti wwtw wwwh wwwi wwws wwww