dddd ddot ddss ddts dfds dfdt dfts dlos dlst dod- dodd dodo dods doff dold dolf doll dolo dols dolt dood doof dool doos doot doso doss dost dotd doto dots dott dsls dsos dsst dsto dsts dtot dtss fdos fdot fdst fdtl ffff ffss fftf flod floo flos flot flts fofo fold foll folo fols folt food foof fool foos foot foso foss fost foto fots fott fsfo fssf ft-l ftos ldls ldos lfts llds llll llod lloo lods loff loft lold loll lolo lols lood loof lool loos loot loso loss lost lotd lotl loto lots lott lsds lsof lsso lsts ltds oddd odds odoo odos odot odso odts off- offo offs ofst olds olfs ollo olof olos olot olst ooff oofs oold oolo oooo ooos oost oots oslo osoo osos ossd osso osts oto- otof otoo otos otso otto otts s-os sdds sdls sdlt sdot sdsf sdsl sdss sfls sfos sfss sfts slds slft slod sloo slos slot slst slts sodd sodo sods sofo soft sold solf soll solo sols solt sood soof sool soos soot soso soss sost sotl soto sots ssdd ssdf ssfl sslt ssot sssf ssss sstd sstl ssts stds stld stlo stlt stod stof stol stoo stos stot stsf stss sttd tdff tdls tdss tfot tfsd tfss tlos todd todo tods todt toff tofo toft tol- told toll tolo tolt tood toof tool toos toot toso toss tost totd toto tots tott tsfl tsol tsos tssf tsst tsts ttff ttss tttt