-hou dddd ddpo ddre dedd dede dedo dedu deed deeg deep deer dege degh dego degu dehu deop deor depe depo depp depr der- dere derg dero derp derr deue deur dgeg dgge dghe dhed dhee dher dhod dhor dhpr dhur dod- dodd dode dodg dodo doeg doer dog- doge dogg dogh dogo dogp dogu dohr dood doop door dope dopo dopp dopr dord dore doro dorp dorr doru doud doue doug doup dour dper dphp dpph dprg dred dree dreg dreh drge drod drog droh drop drou drue drug drup druu dudd dude dudo dudu duer dugu duhe duhr duhu duo- dupe dupo dure durg duro duru duur edde eddo eddp ede- edeh eder edge edod edou edru edup edur eede eedu eeee eerg eero egee eger egge eggh eggo eggp eghd eghe eghh ego- egor egpd egpe egph egpo egre ehdd eheh eher eheu ehre ehud eode eore epee eper eph- epod epor eppo eppp epro eprp erde ered erer erg- ergg ergh ergo erhu erod eroe eroo erpe erre erro eruh erur eude euer euge eugh eur- eure euro gdor gedd gede gedo gedu geed geep geer gege gegg gego gehu geo- geog gepe gerd gere gero geru geue geup gggg gghg ggpo ghee gheg ghug gode godo goed goer gogh gogo good goog goop goor gope gopo gopu gord gore gorg goro gorp gorr gou- goud goug goup gour gper gpgp gprd gprp gree greg grep greu grod grog groh groo grop gror grou grrr grue grug grur gude gudo gudu guep guer guge gugg gugh gugu guhe guhr gurd gure gurg gurh guro gurr guru hdod hedd hede hedg hedo hedp heed heeg heep heer hege hegg hegh hego hehe heho heor heou hepe hepp hepu herd here herg hero herp herr heru heue heug heur hhgg hhhh hode hodh hodr hoed hoer hoge hogg hogh hogo hogu hohe hoho hood hooe hoop hoor hope hopo hopp hord hore horg horo horr houd houe houp hour hpdh hpgd hpgp hppe hpue hree hrod hrpp hrud hudd hude hudo hudu hued huer huge hugg hugh hugo huhu huor hupe hupp hurd hure huro hurr huru o-eo oddd oded odeo oder odoh odoo odop odor odou odrp odur oedo oere ogdh ogee oger ogge ogod ogog ogou ogpu ogre ogro ohed ohee oher ohgr ohho ohoh ohre ooer ooho oooh oooo oord oore oped opep oper opo- opor oppo orde ordo ordu ore- ored oreg oreh oreo orer orge orgo orhe oro- oroe oror orpe orph orro orup oude oudh oued ouer ouge ough oupe ouph our- oure ouro ouu- pdpr ped- pede pedo peed peep peer pegg pegh pego pegu pehe peho pehr peor peou pepd pepe pepo per- perd pere perg perh pero perp perr peru peur pgde pger pgou pgpu pgup phe- phog phoh phoo phrr pod- podd pode podo podu poed poer poge pogg pogh pogo pood pooh poop poor pop- pope popo popp pore porg poro porr poud poup pour pper ppod pppd pppo pppp ppru ppur pre- pred pree preg prep preu pro- prod proe prog proo prop prou prpd prrd prud prue pruu pu-e pudo pudu pued pueo puer pueu pugh pugo pugu pupe pupu pur- pure purg puro purp purr puru rder redd rede redh redo redr redu reed reep regd rege rego regr regu rehe reod reog reop reou repe repo repp repr repu rerd rere rerg rero reru reue reup reuu rhee rheo rhod rhog rhoh rhue rhug rodd rode rodo roed roeg roer roge rogg rogh rogo rohe rohr rohu rood roog roop roor rope ropo rore roro roru roud roue rouh roup rpdp rpho rpoe rred rrrr rudd rude rudo rudp rued ruer ruge rugg rugh ruhe ruhh ruhr rupe rupp rurd rure ruro rurp ruru ruud u-rp uder udge udoh udoo udop udpd ugeo ugep uggo ughe ugod ugro ugur uguu uh-d uhde uher uhoh uhuh uhup uor- uore updo uped upgo upor uppe uppp uppu upup urde urdu ure- ured ureh urge urgh urgu urho uro- uroo urpo urre urrh urup urur uuuu