dddd ddes ddps ddre ddss dedd dede deed deep deer dees depe depp depr deps der- dere derp derr ders des- dese desp dess dex- dexe dper dppx dpsd dred dree dres drrs drsp dsdp dsdr dsps dsrp dsrr dssp dxdr dxds dxed dxep dxes dxps dxrd dxre dxrp dxrr dxrx dxsp dxss dxxr dxxx edde eddp edds ede- eder edes edex edss eede eeee eees eeps eers eese epee eper epes eppp epps eprp eprs epsd epsp epss epsx epxp er-x erde erds ered erer eres erpe erps erre errs erse esdp esds esdx esee eser eses espe espp esps esrd esse essp 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 pese pess ppds pper pppd pppp ppps ppss pre- pred pree prep pres prex prpd prps prrd prrs prsd prse prss psdp psdr psds pspp pspr psps psrd psrp psse pxes rder redd rede redr reds redx reed reep rees repe repp repr reps rerd rere rers rese resp ress rexx rpdp rpps rred rrrr rrsp rsdd rsds rsee rsps rsre rxes sdds sdep sder sdes sdpr sdps sdrs sdss se-d se-e se-s se-x sede seds seed seep seer sees seex sepd sepe sepp sepr seps sepx serd sere serp serr sers sese sess sex- sexe sexp spde spdp spdr sped spee sper spes spex sppd spps sprd sprs spsd spse spsp spss srde sres srps srpx srsd srsp ssdd ssdp ssee ssep sses ssex sspe ssps sspx ssrs ssss sxde x-ed xeer xer- xers xexe xper xrds xrep xxxx