-ous dddd ddot ddpo ddps ddss ddts dod- dodd dodo dods dood doop doos doot dopo dopp dops dopt doso doss dost dotd doto dots dott doud doup dous dout dpdt dpos dpsd dpst dpsu dpts dsdp dsos dsps dspt dssp dsst dsto dsts dtdp dtot dtss dttp dudd dudo duds dudu duo- duos dupo dust dutp duts duut oddd odds odoo odop odos odot odou odso odts odtu odus oooo ooos oops oost ootp oots oous opds opo- opos oppo opps opsu opto opts opus osoo osos ossd osso ossu osts oto- otoo otos otpp otso otsu otto otts ottu otus ouds ousd oust out- outo outs ouu- pdos pdsd pdss pod- podd podo pods podu pood poop poos poot pop- popo popp pops popt poso poss post potd poto pots pott potu poud poup pous pout ppds ppod ppos pppd pppo pppp ppps ppss ppts pptt psdp psds psos psou pspp psps psso psst psts pstu ptop ptpd ptsd pudo puds pudu pups pupu pusd puss pust put- puto puts putt putu s-os sdds sdot sdps sdss sdsu sodd sodo sods sodu sood soop soos soot sopd sopo sopp sops sopu soso soss sost soto sotp sots sotu soud soup sous sout spdp spdt spod spoo spop spos spot sppd spps spsd spso spsp spss spst spto spts spud spus sput ssdd ssdp ssop ssot sspo ssps sspt ssss sstd sstp ssts stds stod stoo stop stos stot stou stpd stpp stps stss sttd stud stup stus stut sudd sudo suds suos sup- supo supp sups supt sus- susd suso susp suss sust susu suto sutu suus tdss todd todo tods todt todu tood toos toot top- topd topo topp tops topt topu toso toss tost tosu totd toto tots tott toup tous tout tpdu tppd tppp tptp tput tsop tsos tsou tspo tsps tspt tsst tsts tsup ttop ttss tttt tudu tuos tupo tups tupu tusd tuss tust tuto tuts tutt tutu tuuo udds udoo udop udos udot udpd udsd udts updo upos uppp uppu upto upup usdo usdp usds usdt usos uspo uspp usps usss usst ussu usto ustp usts usus utpd utto uttu uuuu