-ism ffff ffii ffrr ffss fftf fiff fifi fifm fift fiii fiil fili fill film fils fimr firm firs fisi fism fiss fist fisu fiti fits fitt flii flim flis flit flts fluf flum flur flus fmri fmsr fmss fril frim fris frit frsm frst frum fsfi fsim fssf ft-l ftii ftrs ftsr fuff fufu fuil fuir fuit fuli full fuls fulu fumi fums fur- furi furl furm furr furs furt fusi fuss fust fusu futi futs futu ifil ifim ifis ifit ifrf ifri iiii iiis iiit iirs iisi iism iisr iist iisu iitm iitr iitt iium ilir ilis ilit ill- illi ills illt ilmr ilrm ilts ilum ilus ilut imfi imir imit imli immi imms immt imri imrr imsf imsi imsr imss imst imsu imts imus irfm irfu iri- iril iris irms irri irrs irsf irtf irti irts irul irus isil isim isis isit isls ismi isms isri issf issi issr isss issu isti istr ists isum isus itif itil itim itis itll itms itrf itri itrs itsf itsi itsu ittf itum itur iuiu iums iuss iust lfmr lfts liff lifl lift liii liir liis lili lill lils lilt lilu limi liml limm lims limu liri lirl lirr lirs lirt liru lisi liss list lisu liti litl litr lits litt litu liuf lius liut llll llms lmfm lmii lmmr lmms lmrs lmsi lmsr lrif lrmt lrrr lrsm lrst lrts ls-r lssr lsts ltrs ltsi ltsr lttr luff luft lufu luif luis luit luli lull lulu lumi lums luri lurs lurt lusi luss lust luti luts mfri mfrs mftf miff mifi miii miis miit milf mili mill milr mils milt milu mim- mimi mims miri mirl mirr mirs mirt miru mis- misi misl misr miss mist misu mit- miti mitm mits mitt mitu miui mlii mlis mlit mlrs mlss mltr mmff mmii mmis mmli mmmm mmms mmrf mmst mmsu mmts mmus mris mrls mrml mrsi mrsl mrtm mrts mrtt msff msfs msft msil msml msmm msms msmu msrt mssf mssi mssm mssr msst mstr msts msus mtff mtrl mtrr mtsl mtss mtst mttr mtts muff mufi mufu muil muir muis muit muli mull mulm mult mulu mumm mums mumu muri murl murr murs murt muru musi musl muss must musu muti muts mutt mutu muut rffl riff rifs rift rifu riif riis rill rilu rimi rimm rims rimu riri rirs risi rism riss rist risu riti ritl rits ritt ritu rius rlif rlls rlml rlms rmif rmll rmst rmtu rrif rrrr rrum rsis rsml rssl rsts rstu rsum rtfm rtls rtlt rtmi rtml rtms rtss rtts ruff ruft ruif ruis ruit rull rumi ruml rumm rums rumt ruri rurs ruru rusi russ rust rusu ruti rutl ruts rutt rutu s-ii sfls sfmm sfss sfsu sfts siff sifl sifr sift sifu siim siit sil- silf sili sill sils silt silu simi simm sims simt sirf siri sirr sirs sirt siru sisi siss sist sisu sit- siti sits sitt situ siui sium sius siut sl-i slft slim slir slit sllm slmm slrs slst slsu slts slum slur slut smif smil smis smit smls smrf smrt smss smti smtu smur smus smut srfi srim sris srtr ssfl ssis ssit sslt ssml ssri ssrl ssrm ssrs sssf sssi sssm ssss sstl ssts stfu stif stil stim stir stis stit stlt stms stmt stri strs stru stsf stsi stsm stss sttr stuf stul stum stur stus stut suf- suff sufi sufr sufs sufu suir suis suit sul- sulf suli sull sulm sult sulu sum- sumi sums sumu sur- surf suri surr surs surt suru sus- susi suss sust susu suti sutu suum suus tfrs tfsi tfss tiff tift tiit tiiu till tilr tils tilt timi timm tims timu tiri tirl tirr tirs tiru tisi tism tiss tist titi tits titt titu tium tlli tlrs tmil tmsi tmtt trfm trfr tri- trif tril trim tris trit trmi trml trms trmu trsi trst trtr trus trut truu tsfl tsfm tsis tssf tssi tssm tssr tsst tstm tsts tsui tsum ttff ttim ttml ttms ttss tttt ttul tuff tufi tufm tuft tufu tuil tuim tuis tuit tuiu tuli tull tulu tumi tums tumu turf turi turm turr turs turt turu tusi tusm tuss tust tuti tutl tuts tutt tutu tuum ufms uiml uims uirr uist uits ulft ulim ulli ullr ulmi ulmu ulti ults ultt ulul ulum ulus umff umit umms umri umsu umts umus umut urff urfi urft urif urim uris uriu urls urmi urri ursi urss ursu urts urum urur urus urut usfi usfl usfs usif usim usis uslu usmm usms ussf ussr usss usst ussu usti ustm usts usui usul usus util utis utri utsl utti uttu uulu uuri uusi uutf uuuu