-ism ffff ffii ffrr ffss fftf ffun fiff fifi fifm fift fiii fimr fini finn fins fint firm firn firs fisi fism fiss fist fisu fiti fits fitt fmri fmsr fmss fnrs fnuf frim frin fris frit frmn frns frsm frst frum frun fsfi fsim fssf ftii ftrs ftsr fuff fufu fuir fuit fumi fums funf funs funt fur- furi furm furn furr furs furt fusi fuss fust fusu futi futs futu ifim ifis ifit ifni ifnr ifns ifrf ifri iftn iiii iiis iiit iinm iirs iisi iism iisr iist iisu iitm iitr iitt iium imfi imin imir imit immi imms immt imri imrr imsf imsi imsr imss imst imsu imts imun imus infi infs inis init inni innr inns innu inri inrs inss inst insu inti intn intr ints intu inui inun inus irfm irfu iri- irin iris irms irri irrs irsf irtf irti irts irun irus isim isin isis isit ismi isms isnt isri issf issi issr isss issu isti istr ists isum isus itif itim itin itis itms itrf itri itrs itsf itsi itsu ittf itum itur iuiu iums iuss iust mfri mfrs mftf miff mifi miii miin miis miit mim- mimi mims mini minn mins mint minu miri mirr mirs mirt miru mis- misi misn misr miss mist misu mit- miti mitm mits mitt mitu miui mmff mmii mmis mmmm mmms mmrf mmst mmsu mmts mmun mmus mnin mnis mntn mris mrsi mrtm mrtn mrts mrtt msff msfs msft msmm msms msmu msrt mssf mssi mssm mssr msst mstr msts msun msus mtff mtns mtnt mtrr mtss mtst mttr mtts muff mufi mufu muin muir muis muit mumm mums mumu muni munn muns munt munu muri murn murr murs murt muru musi muss must musu muti muts mutt mutu muut n-ii nfff nfrs nfsm nfsr nfsu niff nift niir niit niiu nimi nimr nims nimt nimu nini nins nirs nirt niru nisi niss nist nisu nitf niti nitr nits niur nmff nmfs nmis nmit nmnt nmri nnit nnmt nnnn nnss nntn nrts nsfs nsin nsis nsnr nssf nssr nsss nsts nstu ntfs ntis ntnu ntru ntsf ntss ntsu nttm nttr ntui nuff nuim nuin nuit numi numm nums numt numu nunn nuns nunt nuri nurn nurr nurs nurt nuru nusi nuss nust nusu nuts nutt nutu riff rifs rift rifu riif riin riis rimi rimm rims rimu rinf rinn riri rirs risi rism riss rist risu riti rits ritt ritu rius rmif rmst rmtu rnin rnnt rnut rrif rrrr rrum rrun rsis rsnn rsnr rsts rstu rsum rtfm rtmi rtms rtns rtss rtts ruff ruft ruif ruin ruis ruit rumi rumm rums rumt runf runi runn runs runt ruri rurs ruru rusi russ rust rusu ruti ruts rutt rutu ruun s-ii sfmm sfnt sfss sfsu sfts siff sifr sift sifu siim siit simi simm sims simt sini sinn sins sint sinu sirf siri sirr sirs sirt siru sisi siss sist sisu sit- siti sitn sits sitt situ siui sium sius siut smif smin smis smit smrf smrt smsn smss smti smtn smtu smur smus smut snfu snir snit snns snrs sntr snum snur snus srfi srim sris srni srnn srtr ssin ssis ssit ssns ssri ssrm ssrs sssf sssi sssm ssss ssts stfn stfu stif stim stir stis stit stms stmt stnn stnr stns stri strn strs stru stsf stsi stsm stss sttr stuf stum stun stur stus stut suf- suff sufi sufr sufs sufu suin suir suis suit sum- sumi sums sumu sun- suni sunn suns sunt sunu sur- surf suri surn surr surs surt suru sus- susi suss sust susu suti sutu suum suus tfin tfrs tfsi tfss tiff tift tiit tiiu timi timm timn tims timu tini tinn tins tint tinu tiri tirr tirs tiru tisi tism tiss tist titi tits titt titu tium tmnt tmsi tmtt tnts tnut trfm trfr tri- trif trim trin tris trit trmi trms trmu trsi trst trtr trun trus trut truu tsfm tsin tsis tssf tssi tssm tssr tsst tstm tsts tsui tsum tsun ttff ttfn ttim ttms ttss tttt tuff tufi tufm tuft tufu tuim tuin tuis tuit tuiu tumi tums tumu tuni tunn tuns tunu turf turi turm turn turr turs turt turu tusi tusm tuss tust tuti tuts tutt tutu tuum ufms uims uint uirr uist uits umff umit umms umri umsu umts umus umut uni- unif unii unin unir unis unit unmr unni unns unrf unrs uns- unst unts unum unus unut urff urfi urft urif urim urin uris uriu urmi urni urns urri ursi urss ursu urts urum urun urur urus urut usfi usfs usif usim usin usis usmm usms usnr usnu ussf ussr usss usst ussu usti ustm usts usui usun usus utin utis utri utti uttu uuni uuri uusi uutf uuuu