-hou c-cd cccc cccu cccv ccdc ccdh cced ccee ccgc cche ccoc ccod ccuc ccvo cd-e cdec cdvd cec- cece ceco cedd cede cedo cedu ceec cege cego ceou cevo cgcc cgcg cged chce chch chec ched chee cheh cheu chev chgd chge choc chod choh choo chou chov chud chug chvo coce coch coco cocu codd code coed cogh cogo coho cood cooh coud coue cove covo cucc cuce cude cued cuve cvcc dccc dccu dccv dcgo dche dcvd dcvg dddd ddoc dec- decc decd dece deco dedd dede dedo dedu deed deeg deev dege degh dego degu dehu deue deve devo dgeg dgge dghe dhec dhed dhee dhod doce doch doco docu dod- dodd dode dodg dodo doeg dog- doge dogg dogh dogo dogu dohc dood douc doud doue doug dove duce duch duco dudd dude dudo dudu dugu duhe duhu duo- duve eccc ecce ecco ecdc eced eche echo eco- ecod ecog ecou eddc edde eddo ede- edeh edge edoc edod edou educ edve eede eedu eeee eeoc egcc egcg egec egee egge eggh eggo eghd eghe eghh ego- egov ehcc ehdd eheh eheu ehud eocd eode eucd euch eude euge eugh evoe evoo gc-c gccc gcov gdov gece gedd gede gedo gedu geed gege gegg gego gehu geo- geog geue geve gevo gggg gghg ghee gheg ghug goce goch gode godo goed gogh gogo good goog gou- goud goug gove guch gude gudo gudu guge gugg gugh gugu guhe gvhd gvvv hccc hcch hcgh hdoc hdod hech hedd hede hedg hedo heed heeg hege hegg hegh hego hehe heho heou heue heug heve hggc hhgg hhhh hoce hoch hode hodh hoed hoge hogg hogh hogo hogu hohe hoho hood hooe houd houe hove huch hucu hudd hude hudo hudu hued huge hugg hugh hugo huhu huve hvcc o-eo occc oce oced ocee oche oddd oded odeo odoh odoo odou oec- oecc oedo oeec ogdc ogdh ogee ogge ogod ogog ogou ohcc ohed ohee ohho ohoh ooho oooh oooo oucc ouch oudc oude oudh oued ouge ough ouu- ovde ovee ovhd ovo- ovod ovoo ucdc ucdd uche ucho udev udge udoh udoo ugcc ugcg ugeo uggo ughe ugod uguu uh-d uhde uhoh uhuh uocc uovo uuoc uuuu uv-c uvvu vche vcug vdcc vdec vecc vech vedc vede vedo vege vegh veho veoh veve vevo vgcc vhhh voce vode vodo voeu voge vogu voho vohu vooc voog voud voue vouh vuco vudu vugg vugh vugo vvog vvvv