-hou c-cd cccc cccu ccdc ccdh ccdr cced ccee cche cchr ccoc ccod ccrc ccre ccuc cd-e cd-r cddr cdec cder cdre cec- cece ceco cedd cede cedo cedu ceec ceor ceou cer- cerc cerd cere cero chce chch chec ched chee cheh cher cheu choc chod choh choo chor chou chrc chrd chro chrr chud chur coce coch coco cocu codd code coed coho cood cooh cor- corc cord core coro corr coud coue cour crcc crce crcr crdc cre- crec cred cree creh creo creu croc crod croe croh croo cror crud crue cucc cuce cude cued cuer curd cure curo curr dccc dccu dche dddd ddoc ddrc ddre dec- decc decd dece deco dedd dede dedo dedu deed deer dehu deor der- derc dere dero derr deue deur dhec dhed dhee dher dhod dhor dhur doce doch doco docu dod- dodd dode dodo doer dohc dohr dood door dorc dord dore doro dorr doru douc doud doue dour dred dree dreh drod droh drou drue druu duce duch duco dudd dude dudo dudu duer duhe duhr duhu duo- dure duro duru duur eccc ecce ecco ecdc eced eche echo eco- ecod ecou ecrc ecrr ecru eddc edde eddo ede- edeh eder edoc edod edou edru educ edur eede eedu eeee eeoc eerc eero ehcc ehdd eheh eher eheu ehre ehud eocd eode eore ercc erce erch erde erec ered erer erhc erhu eroc erod eroe eroo errc erre erro eruc eruh erur eucd euch eude euer eur- eurc eure euro hccc hcch hcdr hcrd hdoc hdod hech hedd hede hedo heed heer hehe heho heor heou herc herd here hero herr heru heue heur hhhh hoce hoch hocr hode hodh hodr hoed hoer hohe hoho hood hooe hoor horc hord hore horo horr houd houe hour hrdc hree hrod hrrc hrud huch hucu hudd hude hudo hudu hued huer huhu huor hurd hure huro hurr huru o-eo occc oce oced ocee oche ocre ocro ocrr ocur oddd oded odeo oder odoh odoo odor odou odur oec- oecc oedo oeec oere ohcc ohed ohee oher ohho ohoh ohre oocr ooer ooho oooh oooo oord oore orce orch orco orde ordo ordu ore- orec ored oreh oreo orer orhe oro- oroe oror orro oucc ouch oudc oude oudh oued ouer our- oure ouro ouu- rccc rcdc rcde rcrd rder rdoc recc recd rece rech recr recu redc redd rede redh redo redr redu reed rehe reod reou rerd rere rero reru reue reuu rhce rhee rheo rhoc rhod rhoh rhue rocc roce roch roco rodd rode rodo roed roer rohe rohr rohu rood roor rorc rore roro roru roud roue rouh rred rrrr ruce ruch rudd rude rudo rued ruer ruhe ruhh ruhr rurc rurd rure ruro ruru ruud ucdc ucdd uche ucho ucrc uder udoh udoo uh-d uhde uher uhoh uhuh uocc uor- uore urch urde urdu ure- ured ureh urho uro- uroo urre urrh urur uuoc uuuu