dddd ddes ddps ddre ddss dedd dede dedu deed deep deer dees depe depp depr deps der- dere derp derr ders des- dese desp dess desu deue deur deus deux dex- dexe dper dppx dpsd dpsu dred dree dres drrs drsp drue drup drus druu dsdp dsdr dsps dsrp dsrr dssp dudd dude duds dudu duer dues dupe dure duru duse duur dxdr dxds dxed dxep dxes dxps dxrd dxre dxrp dxrr dxrx dxsp dxss dxue dxur dxxr dxxx edde eddp edds ede- eder edes edex edru edss edup edur eede eedu eeee eees eeps eers eese epee eper epes eppp epps eprp eprs epsd epsp epss epsx epus epxp er-x erde erds ered erer eres erpe erps erre errs erse erur erus esdp esds esdu esdx esee eser eses espe espp esps esrd esse essp essu esus eude euer eur- eure euse exed exer exes expr exrx pdes pdpr pdrs pdsd pdss pdxs ped- pede peds peed peep peer pees pepd pepe peps per- perd pere perp perr pers peru pese pess pesu peur ppds pper pppd pppp ppps ppru ppss ppur pre- pred pree prep pres preu prex prpd prps prrd prrs prsd prse prss 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 puxe pxes rder redd rede redr reds redu redx reed reep rees repe repp repr reps repu rerd rere rers reru rese resp ress reue reup reus reuu reux rexx rpdp rpps rred rrrr rrsp rsdd rsds rsee rsps rsre rudd rude rudp ruds rued ruer rues rupe rupp rurd rure rurp rurs ruru ruse russ rusu ruud rxes sdds sdep sder sdes sdpr sdps sdrs sdss sdsu se-d se-e se-s se-u se-x sede seds seed seep seer sees seeu seex sepd sepe sepp sepr seps sepu sepx serd sere serp serr sers seru sese sess seur seux sex- sexe sexp spde spdp spdr sped spee sper spes spex sppd spps sprd sprs spsd spse spsp spss spud spue spur spus srde sres srps srpx srsd srsp ssdd ssdp ssee ssep sses ssex sspe ssps sspx ssrs ssss sudd sude suds sued suee suer sues sueu sup- supe supp supr sups sur- surd sure surp surr surs suru sus- susd suse susp suss susu suus sux- suxe sxde u-rp udds uder udpd udsd uers uess uped uppe uppp uppu upse upup urde urds urdu ure- ured ures urex urre urse urss ursu urup urur urus usde usdp usds used usee user uses uspp usps usse ussr usss ussu usus uuuu uxue uxus x-ed xeer xer- xers xeus xexe xper xrds xrep xsup xurs xuxu xxxx