ffff ffrr ffss fftf fmno fmsr fmss fnrs fofo fomo fomt fono fons font foof foom foon foos foot for- form forn foro forr fors fort foso foss fost fotm foto fots fott frmn frns from fron fros frot frsm frso frst fsfo fssf ftos ftrs ftsr mfor mfrs mftf mmff mmmm mmms mmor mmrf mmst mmts mnos mntn moff mofo momo moms mon- monn mono mons mont moon moor moos moot morf morn moro mors mort moso moss most motm moto mots mott mron mrtm mrtn mrts mrtt msff msfs msft msmm msms mson msor msrt mssf mssm mssr msst mstr msts mtff mtns mtnt mtom mtor mtrr mtss mtst mttr mtts nfff nfon nfrs nfsm nfsr nfto nmff nmfs nmnt nmon nmos nnmt nnnn nnos nnot nnss nntn nom- nomo noms non- nonn nono nons nont noo- noon nooo noor noos noot nor- norf norm norn noro norr nors nort nos- nosm noss nost not- noto nots nott nron nrts nsfs nsnr nsof nsos nssf nsso nssr nsss nsts ntfs ntof ntsf ntss nttm ntto nttr off- offo offr offs ofno ofor ofst omn- omo- omon omoo omor omro omsn onno onon onor onos onso onst ont- onto ooff oofs ooms oons oont oooo ooos oort oost oots orff orfs ormn ormo orno orns oro- orof orom oron oror oros orot orro orrs orso orto orts osm- osmo osno osnr osoo osor osos osro osso ostr osts oto- otof oton otoo otor otos otro otrs otso otto otts rmon rmst rnnt rnot roff rofo romm romo roms rono rons ront roof room roon roor roos root roro rort roso ross rost rotn roto rotr rots rott rrrr rsnn rsno rsnr rsos rsts rtfm rtms rtns rtss rtts s-os sfmm sfnt sfor sfos sfro sfss sfts smof smon smos smot smrf smrt smsn smss smtn snns snom snoo snor snos snot snrs sntr sofo soft somm somn somo son- sono sons sont soof soom soon soor soos soot sorm sorn soro sorr sors sort soso soss sost sotm sotn soto sots srnn srno sros srtr ssns ssot ssrm ssrs sssf sssm ssss ssts stfn stms stmt stnn stnr stns stof stom ston stoo stor stos stot strn stro strs stsf stsm stss sttr t-mo tfot tfrs tfss tmnt tmos tmro tmtt tnts toff tofo toft tomm tomo toms tomt tonn tono tons toof toom toon toor toos toot torf torm torn toro torr tors tort toso toss tost totm toto totr tots tott trfm trfr trms trno trom tron troo tros trot trst trtr tsfm tsom tsos tssf tssm tssr tsst tstm tsts ttff ttfn ttms tton ttss tttt