ffff ffrr ffss fftf flom floo flor flos flot flts 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 frol from fros frot frsm frso frst fsfo fssf ft-l ftos ftrs ftsr lfmr lfts llll llms lloo lmfm lmmr lmms lmrs lmsr loff loft loll lolo lols lomm lomo loms loof lool loom loor loos loot loro lors loso loss lost lotl loto lotr lots lott lrmt lrrr lrsm lrst lrts ls-r lsof lsso lssr lsts ltrs ltsr lttr mfor mfrs mftf mlrs mlss mltr mmff mmmm mmms mmor mmrf mmst mmts moff mofo moll molo molr mols molt momo moms mool moor moos moot morf morl moro mors mort moso moss most motl motm moto mots mott mrls mrml mrsl mrtm mrts mrtt msff msfs msft msml msmm msms msol msor msrt mssf mssm mssr msst mstr msts mtff mtom mtor mtrl mtrr mtsl mtss mtst mttr mtts off- offo offr offs ofml ofor ofst olfs ollo olmo olms olof olom olor olos olot olst omo- omoo omor omro ooff oofs oolo ooms oooo ooos oort oost oots orff orfs orlo ormo oro- orof orom oror oros orot orro orrs orso orto orts oslo osm- osmo osoo osor osos osro osso ostr osts oto- otof otoo otor otos otro otrs otso otto otts rffl rlls rlml rlms rmll rmst roff rofl rofo rolf roll rolm rolo rolt romm romo roms roof rool room roor roos root roro rort roso ross rost rotl roto rotr rots rott rrrr rsml rsos rssl rsts rtfm rtls rtlt rtml rtms rtss rtts s-os sfls sfmm sfor sfos sfro sfss sfts slft sllm slmm sloo slos slot slrs slst slts smls smof smol smos smot smrf smrt smss sofo soft solf soll solo solr sols solt soml somm somo soof sool soom soor soos soot sorm soro sorr sors sort soso soss sost sotl sotm soto sots sros srtr ssfl sslt ssml ssot ssrl ssrm ssrs sssf sssm ssss sstl ssts stlo stlt stms stmt stof stol stom stoo stor stos stot stro strs stsf stsm stss sttr t-mo tfot tfrs tfss tlos tlrs tmos tmro tmtt toff tofo toft tol- toll tolo tolt tomm tomo toms tomt toof tool toom toor toos toot torf torm toro torr tors tort toso toss tost totm toto totr tots tott trfm trfr trml trms trom troo tros trot trst trtr tsfl tsfm tsol tsom tsos tssf tssm tssr tsst tstm tsts ttff ttml ttms ttss tttt