dddd ddpo ddre dedd dede dedo dedu deed deep deer deev deop deor depe depo depp depr der- dere dero derp derr derv deue deur deve devo dod- dodd dode dodo doer dood doop door dope dopo dopp dopr dord dore doro dorp dorr doru doud doue doup dour dove dper dred dree drev drod drop drou drue drup druu druv dudd dude dudo dudu duer duo- dupe dupo dure duro duru duur duve dvdr dvor dvrp edde eddo eddp ede- eder edod edou edru edup edur edve eede eedu eeee eero eode eore epee eper epod epor eppo eppp epro eprp erde ered erer erev erod eroe eroo erpe erre erro erur eruv erve eude euer eur- eure euro ever evoe evoo evop evre o-eo oddd oded odeo oder odoo odop odor odou odrp odur oedo oere oevp ooer oooo oord oore oped opep oper opo- opor oppo orde ordo ordu ore- ored oreo orer oro- oroe oror orpe orro orup orve orvr oude oued ouer oupe oupv our- oure ouro ouu- ovde ovee over ovo- ovod ovoo ovpp ovre pdpr ped- pede pedo peed peep peer peev peor peou pepd pepe pepo per- perd pere pero perp perr peru perv peur pod- podd pode podo podu poed poer pood poop poor pop- pope popo popp pore poro porr poud poup pour povo pper ppod pppd pppo pppp ppru ppur pre- pred pree prep preu prev pro- prod proe proo prop prou prov prpd prrd prud prue pruu pu-e pudo pudu pued pueo puer pueu pupe pupu pur- pure puro purp purr puru rder rdev redd rede redo redr redu reed reep reev reod reop reou repe repo repp repr repu rerd rere rero reru reue reup reuu revd reve revo revp rodd rode rodo roed roer roev rood roop roor rope ropo rore roro roru roud roue roup rove rovo rpdp rpoe rred rrrr rudd rude rudo rudp rued ruer rupe rupp rurd rure ruro rurp ruru ruud ruve ruvu rved rver u-rp uder udev udoo udop udpd uor- uore uovo updo uped upor uppe uppp uppu upup urde urdu ure- ured uro- uroo urpo urre urup urur urve uuuu uver uvrd uvvu vder vdre vede vedo veep veer veor vepe vepr ver- verd vere vero veur veve vevo vode vodo voer voeu voor vor- vord vore voro voru voud voue vour vpro vred vreo vudu vurp vver vvvv