dddd ddot ddss ddts dfds dfdt dfsm dfts dmds dmdt dmft dmso dmss dmst dmtf dmts dod- dodd dodo dods doff domm domo doms dood doof doom doos doot doso doss dost dotd doto dots dott dsdm dsms dsos dsst dsto dsts dtot dtss fdom fdos fdot fdst ffff ffss fftf fmod fmss fofo fomo fomt food foof foom foos foot foso foss fost fotm foto fots fott fsfo fssf ftos mddm mdds mdmf mdos mdot mdsd mdst mfds mftf mmdf mmds mmfd mmff mmmd mmmm mmms mmod mmsd mmst mmts modd modo mods moff mofo momo moms mood moos moot moso moss most motd motm moto mots mott msff msfs msft msmm msms mssf mssm msst msts mtff mtom mtss mtst mtts oddd odds odom odoo odos odot odso odts off- offo offs ofst omo- omoo ooff oofs ooms oooo ooos oost oots osm- osmo osoo osos ossd osso osts oto- otof otoo otos otso otto otts s-os sdds sdmo sdms sdot sdsf sdsm sdss sdtm sfmm sfos sfss sfts smod smof smos smot smsd smss smtd sodd sodo sods sofo soft somm somo sood soof soom soos soot soso soss sost sotm soto sots ssdd ssdf ssdm ssot sssf sssm ssss sstd ssts stdm stds stms stmt stod stof stom stoo stos stot stsf stsm stss sttd t-mo tdff tdss tfot tfsd tfss tmos tmtt todd todo tods todt toff tofo toft tomm tomo toms tomt tood toof toom toos toot toso toss tost totd totm toto tots tott tsfm tsom tsos tssf tssm tsst tstm tsts ttff ttms ttss tttt