-ene dddd ddre dedd dede deed deen deep deer dene denn depe depp depr der- dere dern derp derr dex- dexe dner dper dppx dred dree dren dxdr dxed dxep dxnd dxrd dxre dxrp dxrr dxrx dxxr dxxx edde eddp ede- eden eder edex edrn eede eeee eend end- ende ened enee ener enne enp- epee epen eper eppp eprp epxp er-x erde ered eren erer erne erpe erre exed exen exer expn expr exrx ndde nder ndnp ndpd ndpr ndre nedd nede need neen neep neer nend nene nepe nepr nerd nere nerr nexe nexx nnnn nnpr nppd nren nrpn nrrd nxdn pdpn pdpr ped- pede peed peen peep peer pen- pend pene penn pepd pepe per- perd pere pern perp perr pnpp ppen pper pppd pppn pppp pre- pred pree pren prep prex prnd prnp prpd prrd pxdn rder redd rede redr redx reed reen reep rend rene renn repe repp repr rerd rere rexx rndp rpdp rppn rred rrrr x-ed xeer xen- xene xenn xer- xexe xnee xper xrep xxxx