ssrs sssf sssh sssi ssss ssth ssts sths stif stih stio stir stis stit stof stoo stor stos stot stoy stri stro strs stry stsf stsi stss sttr styf styr stys syff syfy syht syis syro syrs syrt syry syso syss syst syth sytt tfot tfrs tfsi tfss thi- thif thio thir this thof thoo thor thos thot thri thro thsr thss thtr thts thyf thyh thys tiff tifo tift tiht tiit tios tiri tiro tirr tirs tiry tish tisi tiso tiss tist tith titi tito tits titt tiyi tiyo to-y toff tofi tofo toft tohi toho tois toit toof tooh toor toos toot torf tori toro torr tors tort tory tosh tosi toso toss tost tosy toth toti toto totr tots tott toty toyo toys toyt trfr trhs tri- trif trio tris trit troi troo tros trot troy trsi trst trtr try- tryo trys tshi tshs tsis tsoi tsos tsoy tssf tssi tssr tsst tsts tsys ttff ttoy ttss tttt ttys tyff tyft tyht tyir tyr- tyrf tyro tyrr tyss tyst tyti tyto tytt tyty yhis yhit yiff yift yirr yiss yist yiti yoff yoho yoit yoof yoot yori yoro yort yory yosh yosi yoso yost yott yoyo yrho yrof ysii yssh ytht yyff yyyy

-itis fifth fifty fiori firit firos firry first firth fisho fishy fissi fisto fists fisty fitho fitit fitof fitor fitri fitto fitts fitty fofos foios foir- foist foofy footi foots footy forio forit foros forro forso forss forst forth forti forto forts forty fossy fotos foyst friis frios friso friss frist frith frito frits fritt froit froot frory frosh frost froth frots froyo fryst ftrtt fyris fyrst hhhhh hi-fi hi-hi hifis hihos hiisi hiroi hiroo hiros hirsh hirst hirth hirts hisis hisor hissi hisss hissy hist- histi histo hists hitit hitof hitor hitto ho-ho ho-oh hoffs hofii hofit hohos hohot hoiss hoist hoity hoofs hooft hoofy hoori hoors hoort hoosh hoost hoots hooty horii horio horos horro horry horst horsy horth horti horto hoshi hosho hosoi hosts hostt hosty hothr hoths hotis hotot hotsy hotto hotty hotys hoyos hoyss hoyst hoyts hrhis hross hthrt hyrst hyst- i-roy if-- iffhs ifish ifits ifrit ifttt ihhof ihosy iiiii iiris iisir iisys iitti ioooi ioooo iorio iosys iotit iotti irios iris- irish iriss irori irrit irshi irssi is-is isfit isfor ishii ishis ishof ishot ishti isios isiro isisi isiti isits isitt isoff isoft isshi issor isthy istoo istry isyss itfit itfor ithot itisi itiso itoff itoss itsit itsof itsso itsto ittoo ittti iyiyi o-hoy offir offis offit offof offoy offto ofori ofoto ofsit ofthy oh-oh oh-so ohfoo ohohs ohrio ohrot oirot oiryo oishi oissy oitti ooioo ooooh ooooo orfor orist orito orits orosh orosi oroso orost orris orsis orsit orth- ortho ortoo oshio ososo ossi- ossis ossos ostir ostis ostri ostro ostry othis othoi othos othyr otori otoso ototo otros ottir ottis ottoi ottos ottyr oyoor oysho ri-fi riffs riffy rifts rifty riots rioty rishi rissh risso risti risto rithi rithy ritts ro-ro rofor rohff rohit rohri roiot roist roofs rooft roofy roohi roosi roost roots rooty rorts rorty rorys roshi rosis rosoy rossi rosso rosss rossy rosto rosts rotho roths rotis roto- rotor rotos rotot rotti rotto royst rsssf ryori ryots ryths rytis rytro ryyty s-iii s-o-r shhhh shift shiho shihr shiri shiro shirr shirt shish shiso shist shito shits shoff shoir shoit shoof shooi shoor shoos shoot shoro shorr shors short shory shosh shosi shoth shots shott shris shtit shtof shyof shyst siftr sifts sihor sihot sihri sihrs siirt sirih sirio siris siror siros sirsi sirsy sisis sisor sissi sissy sisto sists sitio sitit sito- sitor sitsi sitti so-ho so-so so-yi sofis sofry softs softy sofyr sohio sohos sohot soirs soisy soori soort soosi soosy sooth soots sooty sorio soror soros sorry sorso sorth sorti sorts sorty soshi soshy soss- sossi sosti sosto sosyo sothi sotho sotio sotoo sotos sotto sotts soyot sroof sroot sshfs ssssh sssss stfis sthrt stiff stift stihi stiif stiir stiro stirs stirt stith stitt stoff stohr stoir stoit stoor stoos stoot storo storr stors stort story stoss stoth stots stott stoyr strif strit strof stroh stros strot stroy strrs stryi styff styro styth syith syro- syros syrts sysfs systs thift thio- thiri thirs thiry thisi thiss thoff thoft thori thoro thorr thors thort thory thost thoth thoti thris throo throt throy thrys thsts thyft thyr- ti-hi ti-ti tiffs tiffy tifts tifty tiris tirit tiro- tiroi tiros tirrs tirso tirth tisis tisof tisor tisri tiss- tissi tisso tissy tithi titho tithy titii titis titof titos titti titty to-ho toffo toffs toffy tofit tofor tofts tohis tohit tohot toist toits toity toosh toost toosy tooth toots torhs torht torii torio toris torit toros torri torro torrs torry torsi torso torst torti torto torts torty torys toshi toshy tosir tosit tosoh tosos toss- tossy tosti tosto toti- toto- totoo totos totsy totty totyr toysr trior trios tris- trish triss trist trit- trito trits tritt troff troft trohs trois trory trosh tross trost troth trots trott troys tryit tryor tryst tryto tryys tsito tsoro tsort tsyrt ttttt tyist tyro- tyros y-str yiffs yiffy yirth yitro yo-ho yo-yo yohio yooff yoofs yorio yoros yorro yorsh yorth yorty yoshi yosht yosoy yossi yotto yoyos ysoht ytost

ffrith fifths firish firsth firsts firths fishof fishor fishos fissi- fitfor fitoor fittit fohist foissy foists foisty foofoo foorth footit footsy forfry forhoo forois foroys forrit forros forrot forsit forth- forths forthy fortis forytt fosso fossor fossoy frifot frisii friths frithy fritos fritto fritts froofy frooti froots frosi frosio frosts frosty froths frothy froyos fyrish fyrrys hi-fis hififi hihifo hirohi hiroto hiroyo hisoft histi- histo- histri hitfor hitoff hitori hitoto hofors hohhot hohoho hoist- hoists hoofit hoohoo hooroo hororo horror horsts horthy hortor hostis hostos hostry hotfor hotoff hotoro hottot hoyito hristo hrotti hrrors hyfish hyshot ifitis ifrits ifross ihitit iiooio ioissh iris-t irishy irisys iritis iritty iroist irtish irtysh isists isitso isshot isthis istory istros itfits itisso itisto itshot itsoff itthis ittiri ittro- offish offiss offrir ofsort oftfor oftroy