-ous dddd ddot ddss ddts dlos dlst dod- dodd dodo dods dold doll dolo dols dolt dolu dood dool doos doot doso doss dost dotd doto dots dott doud doul dous dout dsls dsos dsst dsto dsts dtot dtss dudd dudo duds dudu dull dulo dult dulu duo- duos dust duts duul duut ldls ldos llds llll llod lloo llud lods lold loll lolo lols lood lool loos loot loso loss lost lotd lotl loto lots lott loud loul lous lout louu lsds lsso lsts ltds ludd ludo lull lulu luso luss lust luts oddd odds odoo odos odot odou odso odts odtu odus olds ollo olos olot olst oltu oold oolo oooo ooos oost oots oous oslo osoo osos ossd osso ossu osts osul oto- otoo otos otso otsu otto otts ottu otus ouds ould ouls oulu ousd oust out- outo outs ouu- s-os sdds sdls sdlt sdot sdsl sdss sdsu slds slod sloo slos slot slst slsu slts slud slut sodd sodo sods sodu sold soll solo sols solt sood sool soos soot soso soss sost sotl soto sots sotu soud soul sous sout ssdd sslt ssot ssss sstd sstl ssts stds stld stlo stlt stod stol stoo stos stot stou stss sttd stud stul stus stut sudd sudo suds sul- suld sull sulo sult sulu suos sus- susd suso suss sust susu suto sutu suus tdls tdss tlos todd todo tods todt todu tol- told toll tolo tolt tolu tood tool toos toot toso toss tost tosu totd toto tots tott toul tous tout tsol tsos tsou tsst tsts ttss tttt ttul tudu tull tulo tulu tuos tusd tuss tust tutl tuto tuts tutt tutu tuuo udds udoo udos udot udsd udsl udts ullo ulo- ulos ulto ults ultt ulul ulus usdl usdo usds usdt uslu usos usss usst ussu usto usts usul usus utsl utto uttu uulu uuuu