-ous ffff ffrr ffss fftf flom floo flor flos flot flou flts fluf flum fluo flur flus fmsr fmss fofo foll folo folr fols folt fomo fomt foof fool foom foos foot for- forl form foro forr fors fort foso foss fost fotm foto fots fott foul four fous fout frol from fros frot frou frsm frso frst frum fsfo fssf ft-l ftos ftrs ftsr fuff fufu full fuls fulu fumo fums fuor fur- furl furm furo furr furs furt fuso fuss fust fusu futo futs futu lfmr lfts llll llms lloo lmfm lmmr lmms lmrs lmsr loff loft loll lolo lols lomm lomo loms lomu loof lool loom loor loos loot loro lors loso loss lost lotl loto lotr lots lott loul loum lour lous lout louu lrmt lrrr lrsm lrst lrts ls-r lsof lsso lssr lsts ltrs ltsr lttr luff luft lufu lull lulu lumo lums lurs lurt luso luss lust luts mfor mfou mfrs mftf mlrs mlss mltr mmff mmmm mmms mmor mmrf mmst mmsu mmts mmus moff mofo mofu moll molo molr mols molt momo moms momu mool moor moos moot morf morl moro mors mort moru moso moss most mosu motl motm moto mots mott motu mouf moul mour mous mout mrls mrml mrsl mrtm mrts mrtt msff msfs msft msml msmm msms msmu msol msor msrt mssf mssm mssr msst mstr msts msus mtff mtom mtor mtrl mtrr mtsl mtss mtst mttr mtts muff mufu mull mulm mulo mult mulu mumm mumo mums mumu muos murl muro murr murs murt muru musl muso muss must musu muto muts mutt mutu muut off- offo offr offs offu ofml ofor ofst ofus olfs ollo olmo olms olof olom olor olos olot olst oltu olur omo- omoo omor omro omul omuo omus ooff oofs oolo ooms oooo ooos oort oost oots oous orff orfs orfu orlo orlu ormo oro- orof orom oror oros orot orro orrs orso orsu orto orts orum orus oslo osm- osmo osoo osor osos osro osso ossu ostr osts osul osum oto- otof otoo otor otos otro otrs otso otsu otto otts ottu otur otus ouff ouls oulu our- ouro ours ourt oust out- outo outs ouu- rffl rlls rlml rlms rmll rmst rmtu roff rofl rofo rolf roll rolm rolo rolt romm romo roms roof rool room roor roos root roro rort roru roso ross rost rotl roto rotr rots rott rouf roul roum rous rout rrrr rrum rsml rsos rssl rsts rstu rsum rtfm rtls rtlt rtml rtms rtss rtts ruff rufo ruft rull rulo ruml rumm rumo rums rumt ruro rurs ruru ruso russ rust rusu rutl ruto ruts rutt rutu s-os sfls sfmm sfor sfos sfro sfss sfsu sfts slft sllm slmm sloo slos slot slrs slst slsu slts slum slur slut smls smof smol smos smot smrf smrt smss smtu smur smus smut sofo soft solf soll solo solr sols solt soml somm somo soof sool soom soor soos soot sorm soro sorr sors sort soru soso soss sost sotl sotm soto sots sotu souf soul soum sour sous sout sros srtr ssfl sslt ssml ssot ssrl ssrm ssrs sssf sssm ssss sstl ssts stfu stlo stlt stms stmt stof stol stom stoo stor stos stot stou stro strs stru stsf stsm stss sttr stuf stul stum stur stus stut suf- suff sufr sufs sufu sul- sulf sull sulm sulo sult sulu sum- sumo sums sumu suor suos sur- surf suro surr surs surt suru sus- suso suss sust susu suto sutu suum suus t-mo tfot tfrs tfss tlos tlrs tmos tmou tmro tmtt toff tofo toft tofu tol- toll tolo tolt tolu tomm tomo toms tomt toof tool toom toor toos toot torf torm toro torr tors tort toru toso toss tost tosu totm toto totr tots tott toul toum tour tous tout trfm trfr trml trms trmu trom troo tros trot trou trst trtr trus trut truu tsfl tsfm tsol tsom tsos tsou tssf tssm tssr tsst tstm tsts tsum ttff ttml ttms ttss tttt ttul tuff tufm tufo tuft tufu tull tulo tulu tums tumu tuor tuos turf turm turo turr turs turt turu tusm tuss tust tutl tuto tuts tutt tutu tuum tuuo ufms ufos ulft ullo ullr ulmo ulmu ulo- ulos ulto ults ultt ulul ulum ulus umff ummo umms umol umor umsu umts umus umut uofl uofm uofo uoml uomo uor- urff urft urls uro- urol urom uroo urso urss ursu urts urum urur urus urut usfl usfs uslu usmm usms usos ussf ussr usss usst ussu ustm usto usts usul usus utfo utor utsl utto uttu uulu uutf uuuu