dddd ddpo ddre dedd dede dedo deed deep deer deop deor depe depo depp depr der- dere dero derp derr deze dezh dhed dhee dher dhod dhor dhpr dod- dodd dode dodo doer dohr dood doop door dope dopo dopp dopr dord dore doro dorp dorr doze dozo dper dphp dpph dred dree dreh drod droh drop droz dzep dzh- dzhe dzhh dzor dzrh dzrr dzze edde eddo eddp ede- edeh eder edod eede eeee eero eeze ehdd eheh eher ehre eode eore epee eper eph- epod epor eppo eppp epro eprp erde ered erer erez erod eroe eroo erpe erre erro ezed ezer ezod ezop ezzo hdod hedd hede hedo hedp hedz heed heep heer hehe heho heor hepe hepp herd here hero herp herr herz heze hhhh hode hodh hodr hoed hoer hohe hoho hood hooe hoop hoor hope hopo hopp hord hore horo horr hoze hozo hpdh hppe hree hrod hrpp o-eo oddd oded odeo oder odoh odoo odop odor odrp oedo oere ohed ohee oher ohho ohoh ohre ooer ooho oooh oooo oord oore ooze oped opep oper opo- opor oppo orde ordo ore- ored oreh oreo orer orhe oro- oroe oror oroz orpe orph orro orzo ozd ozee ozer pdpr ped- pede pedo peed peep peer pehe peho pehr peor pepd pepe pepo per- perd pere perh pero perp perr peze pezo phe- phoh phoo phrr pod- podd pode podo poed poer pood pooh poop poor pop- pope popo popp pore poro porr porz poze pozo pper ppod pppd pppo pppp pre- pred pree prep prez pro- prod proe proo prop proz prpd prrd rder redd rede redh redo redr reed reep rehe reod reop repe repo repp repr rerd rere rero reze rezh rhee rheo rhod rhoh rodd rode rodo roed roer rohe rohr rood roop roor rooz rope ropo rore roro roze rozz rpdp rpho rpoe rred rrrr z-ro zedd zede zedo zeep zeph zepo zepp zero zeze zhee zhor zodd zohr zoo- zoop zope zord zore zoro zozo zrze zzhz zzzz