dddd ddes ddps ddre ddss dedd dede dedu deed deep deer dees deev depe depp depr deps der- dere derp derr ders derv des- dese desp dess desu deue deur deus deve devs dper dpsd dpsu dpvs dred dree dres drev drrs drsp drue drup drus druu druv dsdp dsdr dsps dsrp dsrr dssp dsvd dudd dude duds dudu duer dues dupe dure duru duse duur duve dvdr dvds dvrp dvrs dvsr edde eddp edds ede- eder edes edru edss edup edur edve eede eedu eeee eees eeps eers eese epee eper epes eppp epps eprp eprs epsd epsp epss epus erde erds ered erer eres erev erpe erps erre errs erse erur erus eruv erve esdp esds esdu esee eser eses espe espp esps esrd esse essp essu esus eude euer eur- eure euse ever eves evre evrs pdes pdpr pdrs pdsd pdss ped- pede peds peed peep peer pees peev pepd pepe peps per- perd pere perp perr pers peru perv pese pess pesu peur ppds pper pppd pppp ppps ppru ppss ppur pre- pred pree prep pres preu prev prpd prps prrd prrs prsd prse prss prsv prud prue prus pruu psdp psdr psds pspp pspr psps psrd psrp psse pu-e puds pudu pued puer pueu pupe pups pupu pur- pure purp purr purs puru pusd puss rder rdev rdvs redd rede redr reds redu reed reep rees reev repe repp repr reps repu rerd rere rers reru rese resp ress reue reup reus reuu revd reve revp revs rpdp rpps rred rrrr rrsp rsdd rsds rsee rsps rsre rsvp rudd rude rudp ruds rued ruer rues rupe rupp rurd rure rurp rurs ruru ruse russ rusu ruud ruve ruvu rved rver rvsp sdds sdep sder sdes sdpr sdps sdrs sdss sdsu se-d se-e se-s se-u sede seds seed seep seer sees seeu sepd sepe sepp sepr seps sepu serd sere serp serr sers seru serv sese sess seur seve spde spdp spdr sped spee sper spes sppd spps sprd sprs spsd spse spsp spss spud spue spur spus srde sres srps srsd srsp ssdd ssdp ssee ssep sses sspe ssps ssrs ssss ssvp sudd sude suds sued suee suer sues sueu suev sup- supe supp supr sups supv sur- surd sure surp surr surs suru surv sus- susd suse susp suss susu suus suvs u-rp udds uder udev udpd udsd uers uess uped uppe uppp uppu upse upup urde urds urdu ure- ured ures urre urse urss ursu urup urur urus urve usde usdp usds used usee user uses uspp usps usse ussr usss ussu usus uuuu uver uvrd uvvu vder vdre vede veep veer vees vepe vepr veps ver- verd vere vers vesd vese vess veur veve vred vrse vsed vsee vses vsrp vsse vudu vues vups vurp vuse vver vvvv