dddd ddot ddss ddts dfds dfdt dfrf dfsm dftr dfts dmds dmdt dmft dmso dmss dmst dmtf dmts dod- dodd dodo dods doff domm domo doms dood doof doom door doos doot dord dorf dorm doro dorr dors dort doso doss dost dotd doto dots dott drms drod drof drom drot drrs dsdm dsdr dsms dsos dsrr dsst dsto dsts dtor dtot dtss fdom fdos fdot fdst ffff ffrr ffss fftf fmod fmsr fmss fofo fomo fomt food foof foom foos foot for- ford form foro forr fors fort foso foss fost fotm foto fots fott from fros frot frsm frso frst fsfo fssf ftos ftrs ftsr mddm mdds mdmf mdos mdot mdsd mdst mfds mfor mfrs mftf mmdf mmds mmfd mmff mmmd mmmm mmms mmod mmor mmrf mmsd mmst mmts modd modo mods moff mofo momo moms mood moor moos moot mord morf moro mors mort moso moss most motd motm moto mots mott mrdd mrds mrmd mrsd mrtm mrts mrtt msff msfs msft msmm msms msor msrt mssf mssm mssr msst mstr msts mtff mtom mtor mtrr mtss mtst mttr mtts oddd odds odmr odom odoo odor odos odot odso odts ofdr off- offo offr offs ofor ofst omo- omoo omor omro ooff oofs ooms oooo ooos oord oort oost oots ordo ords orff orfs ormo oro- orof orom oror oros orot orro orrs orso orto orts osm- osmo osoo osor osos osrd osro ossd osso ostr osts oto- otof otoo otor otos otro otrs otso otto otts rdms rdos rdso rfds rmst rodd rodo rods roff rofo romd romm romo roms rood roof room roor roos root roro rort roso ross rost roto rotr rots rott rrrr rsdd rsds rsos rsts rtdt rtfm rtms rtss rtts s-os sdds sdmo sdms sdot sdrs sdsf sdsm sdss sdtm sfmm sfor sfos sfro sfss sfts smdr smod smof smos smot smrf smrt smsd smss smtd sodd sodo sods sofo soft somm somo sood soof soom soor soos soot sord sorm soro sorr sors sort soso soss sost sotm soto sots sros srsd srtr ssdd ssdf ssdm ssot ssrm ssrs sssf sssm ssss sstd ssts stdm stds stms stmt stod stof stom stoo stor stos stot strd stro strs stsf stsm stss sttd sttr t-mo tdff tdor tdss tfot tfrs tfsd tfss tmos tmro tmtt todd todo tods todt toff tofo toft tomm tomo toms tomt tood toof toom toor toos toot tord torf torm toro torr tors tort toso toss tost totd totm toto totr tots tott trfd trfm trfr trmd trms trod trom troo tros trot trsd trst trtr tsfm tsom tsos tssf tssm tssr tsst tstm tsts ttff ttms ttss tttt