lrst lrts ls-r lsof lsso lssr lsts ltrs ltsi ltsr lttr ltyr luff luft lufu luif luis luit luli lull lulu luri lurs lurt lury lusi luso luss lust luti luts luyi luys luyt lyff lyft lyfy lyif lyit lyly lyo- lyot lyro lys- lysi lysl lyso lyss lyst lyto lytt lyyf off- offo offr offs offu offy ofit ofor ofst ofus oiii oils oily oios oirt oiry oist oisu oiti oiyl olfs olio olis olit olli ollo olly olof olor olos olot olry olsi olst oltu olur olyf ooff oofs oofy oolo oooo ooos oort oory oosi oost oots ooty oous orff orfi orfs orfu ori- orif oril orio oris orit orlo orlu orly oro- orof oror oros orot oroy orri orro orrs orry orsi orso orsu orsy orto orts orus orys osii osis osli oslo osoi osoo osor osos osro ossi osso ossu ossy osti ostr osts osul osyt otif otis otit oto- otof otoo otor otos otoy otro otrs otry otso otsu otti otto otts ottu otur otus otyr ouff ouii ouir ouis ouit ouls oulu our- ouro ours ourt oust out- outi outo outs outy ouu- ouyr oyls oyly oyou oyri oyss oyst rffl riff rifs rift rifu riif riis rill rilo rilu rily riol rios riot riou riri rirs risi riso riss rist risu riti ritl rito rits ritt ritu rius riyf riyo rlif rlls rlys roff rofl rofo roif roil roio roir rois roit roiu rolf roll rolo rolt roly roof rooi rool roor roos root rori roro rort roru rory rosi roso ross rost rosy roti rotl roto rotr rots rott roty rouf roul rous rout rouy royl roys royt rrif rrrr rsis rsos rssl rsts rstu rtls rtlt rtss rtts ruff rufo ruft ruif ruis ruit rull rulo ruly ruoy ruri ruro rurs ruru rusi ruso russ rust rusu rusy ruti rutl ruto ruts rutt rutu ruty ruyi ruyl ruys ryff ryft ryif ryis ryot rysy rytt ryyf ryyt s-ii s-os sfio sfls sfor sfos sfro sfss sfsu sfts siff sifl sifo sifr sift sifu sify siit sil- silf sili sill silo sils silt silu siol sior sios siot siou sirf siri siro sirr sirs sirt siru sisi siss sist sisu sisy sit- siti sito sits sitt situ sity siui sius siut siyi siyu sl-i slft slir slit sloo slos slot sloy slrs slst slsu slts slur slut slys sofi sofo soft soif soil soir sois soit solf soli soll solo solr sols solt soly soof sool soor soos soot sooy sori soro sorr sors sort soru sory sosi soso soss sost sotl soto sots sotu souf soul sour sous sout soyo soys soyt srfi sris sros srtr ssfl ssis ssit sslt ssot ssri ssrl ssrs sssf sssi ssss sstl ssts stfu stif stil stio stir stis stit stlo stlt stof stol stoo stor stos stot stou stoy stri stro strs stru stry stsf stsi stss sttr stuf stul stur stus stut stuy styf styl styr stys suf- suff sufi sufr sufs sufu suio suir suis suit sul- sulf suli sull sulo sult sulu suor suos sur- surf suri suro surr surs surt suru sury sus- susi suso suss sust susu susy suti suto sutu suty suus suyi suyo suyr suyu syff syfy syis syl- syli syll syls sylt syro syrs syrt syry syso syss syst sytt tfot tfrs tfsi tfss tiff tifo tift tiit tiiu till tilo tilr tils tilt tily tios tiou tiri tirl tiro tirr tirs tiru tiry tisi tiso tiss tist titi tito tits titt titu tiyi tiyo tlli tlos tlrs to-y toff tofi tofo toft tofu toil tois toit tol- toli toll tolo tolt tolu toly toof tool toor toos toot torf tori toro torr tors tort toru tory tosi toso toss tost tosu tosy toti toto totr tots tott toty toui toul tour tous tout toyl toyo toys toyt trfr tri- trif tril trio tris trit troi troo tros trot trou troy trsi trst trtr trus trut truu try- tryo trys tsfl tsis tsoi tsol tsos tsou tsoy tssf tssi tssr tsst tsts tsui tsys ttff ttoy ttss tttt ttul ttyl ttys tuff tufi tufo tuft tufu tuil tuis tuit tuiu tuli tull tulo tulu tuly tuor tuos turf turi turo turr turs turt turu tury tusi tuss tust tuti tutl tuto tuts tutt tutu tuty tuuo tuyl tuys tyff tyft tyir tyl- tyll tylo tyr- tyrf tyrl tyro tyrr tyss tyst tyti tyto tytt tyty tyus ufos uirr uist uits ulft ulli ullo ullr ully ulo- ulos ulti ulto ults ultt ulul ulus ulys uofl uofo uor- urff urfi urft urif uris uriu urls uro- urol uroo urri urry ursi urso urss ursu ursy urts urur urus urut usfi usfl usfs usif usis uslu usoi usos ussf ussr usss usst ussu ussy usti usto usts usui usul usus utfo util utis utor utoy utri utsl utti utto uttu uulu uuri uusi uutf uuuu uyir uyts yiff yift yili yill yilt yirr yiss yist yiti ylli ylls yoff yoit yoli yoll yolo yoly yoof yool yoot yori yoro yort yory yosi yoso yost yott youf youi youl your yous yout yoyo yrly yrof ysii yssu yuff yuft yufu yuit yuli yulo yuls yulu yuri yurt yury yust yuto yutu yuty yuyu yyff yyyy

-itis fifty fili- fillo fills filly filot filst filtu filur fiori firit firos firou firry first fissi fisto fists fisty fitil fitit fitly fitof fitor fitou fitri fitto fitts fitty flirr flirt flist flisy flits floor floro floru flory floss floto flour flout floyt fluff fluit fluo- fluor flurr flurt fluss fluty fluyt flyff flyii flylo flyto fofos foils foily foios foir- foist folio folli follo folly foloi foofy fooli fools footi foots footy forio forit forli foros forro forso forss forst forti forto forts forty forur forus fosil fossy fotos fotui fotur fotus fouls fouro fours foust fouts fouty foyil foyll foyst friis frill friol frios friso friss frist frito frits fritt froit froot frory frost frots froyo fruit fruli frust fruto