dddd ddes ddps ddss dedd dede deed deep dees depe depp deps des- dese desp dess dex- dexe dppx dpsd dsdp dsps dssp dxds dxed dxep dxes dxps dxsp dxss dxxx edde eddp edds ede- edes edex edss eede eeee eees eeps eese epee epes eppp epps epsd epsp epss epsx epxp esdp esds esdx esee eses espe espp esps esse essp exed exes pdes pdsd pdss pdxs ped- pede peds peed peep pees pepd pepe peps pese pess ppds pppd pppp ppps ppss psdp psds pspp psps psse pxes sdds sdep sdes sdps sdss se-d se-e se-s se-x sede seds seed seep sees seex sepd sepe sepp seps sepx sese sess sex- sexe sexp spde spdp sped spee spes spex sppd spps spsd spse spsp spss ssdd ssdp ssee ssep sses ssex sspe ssps sspx ssss sxde x-ed xexe xxxx