-hou c-cd cccc cccf cccu cccv ccdc ccdf ccdh ccdr cced ccee ccfc ccfd ccff cche cchr ccoc ccod ccrc ccre ccrf ccuc ccvo cd-e cd-r cddr cdec cdef cder cdfe cdre cdvd cec- cece ceco cedd cede cedo cedu ceec cef- cefc ceor ceou cer- cerc cerd cere cerf cero cevo cfcf cfco cffr cfor cfre chce chch chec ched chee chef cheh cher cheu chev chfc chfr choc chod choh choo chor chou chov chrc chrd chrf chro chrr chud chur chvo coce coch coco cocu codd code coed cofc cofe coff coho cood coof cooh cor- corc cord core corf coro corr coud coue cour cove covo crcc crce crcr crdc cre- crec cred cree creh creo creu crfc croc crod croe croh croo cror crud crue cucc cuce cude cued cuer cufc cuff cufo curd cure curf curo curr cuve cvcc cver cvfr cvrd cvrr dccc dccu dccv dcfc dche dcvd dddd ddoc ddrc ddre dec- decc decd dece deco dedd dede dedo dedu deed deef deer deev defe deff defo dehu deor der- derc dere derf dero derr derv deue deur deve devo dfcc dfco dfcu dfer dfoe dfrf dhec dhed dhee dher dhfc dhod dhor dhur doce doch doco docu dod- dodd dode dodo doer doff dohc dohr dood doof door dorc dord dore dorf doro dorr doru douc doud doue douf dour dove dred dree dref dreh drev drfc drod drof droh drou drue druu druv duce duch duco dudd dude dudo dudu duer dufc duff dufu duhe duhr duhu duo- dure duro duru duur duve dvdr dvfr dvor eccc ecce ecco ecdc ecdf eced ecef ecfc ecfr eche echo eco- ecod ecou ecrc ecrf ecrr ecru ecrv eddc edde eddo ede- edeh eder edfu edoc edod edou edru educ edur edve eede eedu eeee eefe eeoc eerc eero efco efeo efor ehcc ehdd eheh eher eheu ehre ehud eocd eode eore ercc erce erch erde erdf erec ered erer erev erfc erhc erhu eroc erod eroe eroo errc erre erro eruc eruh erur eruv erve eucd euch eude euer eufc eur- eurc eure euro ever evoe evoo evre fccf fcch fdoc fece fech fede feed feer fefc fefe feff fefo fehd fehr fehu feod feof feoh ferc ferd fere fero ferr feru ferv feud feve fevr ffcc ffee ffff ffrr foce foch foco fode foed foer fofo fohr food foof for- ford fore foro forr foud four fove fr-v frcc fred free freo frfc froe froh frou frue fuc- fudd fude fufc fuff fufu fuor fur- fure furo furr hccc hcch hcdr hcfc hcrd hdfc hdoc hdod hech hedd hede hedo heed heef heer hefd hefe hehe heho heor heou herc herd here hero herr heru heue heur heve hfce hhhh hhof hoce hoch hocr hode hodh hodr hoed hoer hofe hoff hofu hohe hoho hood hooe hoof hoor horc hord hore horo horr houd houe houf hour hove hrdc hree hrfc hrod hrrc hrud huch hucu hudd hude hudo hudu hued huer hufc hufe huff hufu huhu huor hurd hure huro hurr huru huve hvcc o-eo occc oce oced ocee ocef oche ocre ocro ocrr ocur oddd oded odeo oder odoh odoo odor odou odur oec- oecc oedo oeec oere oeuf ofcr ofdr ofer off- offc offe offh offo offr offu ofor ofre ohcc ohed ohee oher ohho ohoh ohre oocr ooer ooff ooho oooh oooo oord oore orce orch orco orde ordo ordu ore- orec ored oreh oreo orer orfe orff orfu orhe oro- oroe orof oror orro orve orvr oucc ouch oudc oude oudh oued ouer oufc oufe ouff our- oure ouro ouu- ovde ovee over ovhd ovo- ovod ovoo ovre rccc rcdc rcde rcfc rcrd rcuv rcvr rder rdev rdoc recc recd rece rech recr recu redc redd rede redh redo redr redu reed reef reev refd refe reff refr refu rehe reod reof reou rerd rere rero reru reue reuf reuu revd reve revo rfef rffc rhce rhee rheo rhoc rhod rhoh rhue rocc roce roch roco rodd rode rodo roed roer roev rofc rofe roff rofo rohe rohr rohu rood roof roor rorc rore roro roru roud roue rouf rouh rove rovo rred rrfc rrrr ruce ruch rudd rude rudo rued ruer rufc rufe ruff rufo ruhe ruhh ruhr rurc rurd rure ruro ruru ruud ruve ruvu rv-c rved rver rvvh ucdc ucdd ucfv uche ucho ucrc uder udev udoh udoo ufcu ufer uffe uh-d uhde uher uhoh uhuh uocc uofo uor- uore uovo urch urde urdu ure- ured ureh urfe urff urho uro- uroo urre urrh urur urve uuoc uuuu uv-c uver uvrd uvvu vche vdcc vdec vder vdre vecc vech vedc vede vedo veer veho veoh veor ver- verd vere vero veur veve vevo vfcc vfor vhhh voce vode vodo voer voeu voff vofr voho vohu vooc voor vor- vord vore voro voru voud voue vouh vour vred vref vreo vrhe vroc vuco vudu vver vvvv