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ffff ffhs ffii ffrr ffss fftf fhfs fhhs fhit fhrs fhss fiff fifi fift fiii firs fish fisi fiss fist fisu fiti fits fitt frhs fris frit frst fsfi fshs fssf fths ftii ftrs ftsr fuff fufu fuhs fuir fuit fur- furi furr furs furt fusi fuss fust fusu futi futs futu h-ii hfhs hfrs hfss hhhh hhhs hhus hiff hifh hifi hifr hihi hiht hiis hiit hiiu hirf hiri hirs hirt hiru hish hiss hist hiti hits hitt hrhs hrit hsfs hshs hsts hsur hths httr huff hufs hufu huhi huhs huhu huif huir huis huit huri hurr hurs hurt huru hush husi huss hust huth huti huts hutt hutu huus ifht ifis ifit ifrf ifri ihis ihit ihss iiht iiii iiis iiit iirs iisi iisr iist iisu iitr iitt irfu irhs iri- iris irri irrs irsf irtf irti irts irus ishi ishr ishs isis isit isri issf issh issi issr isss issu isth isti istr ists isuh isus iths itif itis itrf itri itrs itsf itsi itsu ittf itur iuiu iuss iust rfhs rhfs rhhs rhus riff rifs rift rifu rihs riht riif riis riri rirs rish risi riss rist risu rith riti rits ritt ritu rius rrhs rrif rrrr rshs rsis rsts rstu rths rtss rtts ruff ruft ruhh ruhi ruhr ruhs ruif ruis ruit ruri rurs ruru rush rusi russ rust rusu ruth ruti ruts rutt rutu s-ii sfhs sfss sfsu sfts shft shhh shhs shih shii shir shis shit shiu shri shrs shts shuf shui shur shus shut shuu siff sifr sift sifu sihi sihr sihs siht sihu siit sirf siri sirr sirs sirt siru sish sisi siss sist sisu sit- sith siti sits sitt situ siui sius siut srfi srhs sris srtr sshs ssis ssit ssri ssrs sssf sssh sssi ssss ssth ssts stfu sths stif stih stir stis stit stri strs stru stsf stsi stss sttr stuf stur stus stut suf- suff sufi sufr sufs sufu suhi suhr suir suis suit sur- surf suri surr surs surt suru sus- susi suss sust susu suti sutu suus tfrs tfsi tfss thi- thif thir this thri thru thsr thss thtr thts thur thus tiff tift tiht tihu tiit tiiu tiri tirr tirs tiru tish tisi tiss tist tith titi tits titt titu trfr trhs tri- trif tris trit trsi trst trtr trus trut truu tshi tshs tsis tssf tssi tssr tsst tsts tsui ttff ttss tttt tuff tufi tuft tufu tuhs tuht tuhu tuis tuit tuiu turf turi turr turs turt turu tush tusi tuss tust tuti tuts tutt tutu uhrs uhss uhti uhuh uirr uist uits urff urfi urft urif uris uriu urrh urri ursi urss ursu urth urts urur urus urut usfi usfs ushi ushr ushs ushu usif usis ussf ussr usss usst ussu usti usts usui usus utis utri utti uttu uuri uusi uutf uuuu

-itis fifth firit first firth fissi fists fitit fitri fitts friis friss frist frith frits fritt fruit frush frust ftrtt fu-fu fuffs furir furrs furst furth furus fushi fusht fusi- fusts fusus futsu futuh futur hhhhh hi-fi hi-hi hifis hiisi hirsh hirst hirth hirts hirur hishu hisis hisiu hissi hisss hist- histi hists hitit hrhis hthrt huffs huhuh huhus huish hurri hurst hurts hurtt hurtu hushi husht husri hutir hutit huttu hutus huuru if-- iffhs ifish ifits ifius ifrit ifttt ihurt iiiii iiris iisir iitti iris- irish iriss irisu irrit irshi irssi is-is isfit ishii ishis ishti isisi isiti isits isitt isshi issru issus issuu istus isuus itfit itisi itsit itsus ittti itu-r itu-t ituri ituru itutu rhuis ri-fi riffs rifts riisu rishi rissh risti risus risut rithi ritsu ritts ritus rsssf rsust ruffs rufi- rufus ruhrs ruiru rushh russh russi rusts rustu ruthi ruths ruthu ruuth ruutu s-iii shhhh shift shifu shihr shiri shirr shirt shiru shish shist shits shiur shris shtit shtuf shu-i shuff shuis shuri shurt shuru shush shust shuts shutt shutu siftr sifts sifus sihri sihrs sihui siirt sirih siris siriu sirsi sirur sisis sissi