dddd ddre dedd dede dedu deed deef deep deer defe deff depe depp depr der- dere derf derp derr deue deur dewe dfer dfrf dper dred dree dref drew drue drup druu dudd dude dudu duer duff dufu dupe dure duru duur dwdd dwdu dwer dwrd dwrw dwwe dwww edde eddp ede- eder edfu edru edup edur eede eedu eeee eefe epee eper eppp eprp erde erdf ered erer erew erpe erre erur eude euer eur- eure euwe ewer ewew ewre fede feed feer fefe feff ferd fere ferr feru feud fewd fewe ffee ffff ffrr ffwd fprf fred free frep frew frpd frue fudd fude fuff fufu fur- fure furr fwdd fwde pdpr ped- pede pedf peed peep peer peff pepd pepe per- perd pere perf perp perr peru peur pewe pfff pffr pper pppd pppp pprf ppru ppur pre- pred pree pref prep preu prew prpd prrd prud prue pruf pruu pu-e pudu pued puer pueu puff pupe pupu pur- pure purp purr puru puwe rder redd rede redr redu reed reef reep refd refe reff refr refu repe repp repr repu rerd rere reru reue reuf reup reuu rewe rfef rpdp rred rrrr rudd rude rudp rued ruer rufe ruff rupe rupp rurd rure rurp ruru ruud ruwe u-rp uder udpd uewe ufer uffe updf uped uppe uppp uppu upup urde urdu ure- ured urfe urff urre urup urur uuuu uwer wddd wdde wddw wded wdef wdep wder wdpr wdpw wdre wdrr wdru wduf wdur wdwd wdwr wedd wede wedr wedu wedw weed weef weep weer weeu wefe weff wefr wepe wepp wepr wer- werd were werf werp werr werw weup wewe wfdd wfdf wfdr wfdu wfed wfer wfff wfpf wfrd wfre wfrf wfrp wfru wfrw wfur wpdr wpep wper wpfd wpff wpfp wpfr wpfw wppr wprd wpre wprf wprp wprr wpup wpur wrdd wrdf wrdr wrdu wrdw wred wree wrer wrew wrfd wrfe wrff wrfu wrfw wrpp wrpr wrpw wrrd wrre wrrw wruf wrup wrwd wrwr wudd wude wudr wudu wufe wuff wufr wupe wupf wupr wupw wur- wurd wurp wuuf wuuu wuwe wuwf wwdp wwdr wwdw wwer wwfd wwfe wwfp wwfr wwfw wwpr wwpw wwrd wwre wwrf wwrr wwru wwrw wwuf wwwe wwwr wwww