-hou c-cd cccc cccu ccdc ccdh ccdr cced ccee cche cchr ccoc ccod ccrc ccre ccrt cctc cctt ccuc ccut cd-e cd-r cddr cdec cder cdot cdre cec- cece ceco cect cedd cede cedo cedt cedu ceec ceor ceou cer- cerc cerd cere cero cert cet- cete ceto chce chch chec ched chee cheh cher chet cheu choc chod choh choo chor chou chrc chrd chro chrr chrt chto chtr chtt chud chur chut coce coch coco coct cocu codd code coed coho cood cooh coot cor- corc cord core coro corr cort cotc cote coth coto cott cotu coud coue cour cout crcc crce crcr crdc cre- crec cred cree creh creo cret creu croc crod croe croh croo cror crot crrt crtc crud crue crut ctec ctor ctot ctrc cucc cuce cude cued cuer curd cure curo curr curt cut- cutc cute cuth cuto cutt dccc dcct dccu dche dctc dddd ddoc ddot ddrc ddre dec- decc decd dece deco dect dedd dede dedo dedu deed deer deet dehu deor der- derc dere dero derr dete deth deto detr deue deur deut dhec dhed dhee dher dhod dhor dhur doce doch doco doct docu dod- dodd dode dodo doer dohc dohr dood door doot dorc dord dore doro dorr dort doru dotd dote doth doto dott douc doud doue dour dout dred dree dreh dret drod droh drot drou drue drut druu dtcc dted dthd dtor dtot duce duch duco duct dudd dude dudo dudu duer duet duhe duhr duhu duo- dure duro durt duru dute duur duut eccc ecce ecco ecct ecdc eced eche echo echt eco- ecod ecot ecou ecrc ecrr ecru ect- ectc ecth ecto eddc edde eddo ede- edeh eder edoc edod edou edru educ edur eede eedu eeee eeoc eerc eero eetc eete eeth eetu ehcc ehdd eheh eher eheu ehre ehte ehud eocd eode eore eotc eotd eoto ercc erce erch erde erec ered erer eret erhc erhu eroc erod eroe eroo errc erre erro erth ertu eruc eruh erur etcc etch etco etec etee eter eth- ethe etho etoe etoh etre etro ette etto ettu eucd euch eude euer eur- eurc eure euro eurt euth hccc hcch hcdr hcrd hdoc hdod hdtt hech hect hedd hede hedo heed heer heet hehe heho heor heou herc herd here hero herr hert heru hete heth heto hett hetu heue heur hhhh hoce hoch hocr hode hodh hodr hoed hoer hohe hoho hood hooe hoor hoot horc hord hore horo horr hort hotd hote hoth hoto hotr hott hotu houd houe hour hout hrdc hree hrod hrrc hrte hrud htcc htet htoh httr huch hucu hudd hude hudo hudu hued huer huet huhu huor huot hurd hure huro hurr hurt huru hute huth huto hutt hutu o-eo occc occt oce oced ocee ocet oche ocht ocre ocro ocrr oct- octe octo ocur oddd oded odeo oder odet odoh odoo odor odot odou odtu odur oec- oecc oedo oeec oere ohcc ohed ohee oher ohho ohoh ohre ohte ohto ohtu oocr ooer ooho oooh oooo oord oore oort orce orch orco orde ordo ordu ore- orec ored oreh oreo orer orhe oro- oroe oror orot orro ortc orte orth orto otcd oted otee oter othe otho othr oto- otoe otoh otoo otor otre otro otte otto ottu otur oucc ouch oudc oude oudh oued ouer our- oure ouro ourt out- oute outh outo ouu- rccc rcdc rcde rcet rcrd rctc rder rdoc recc recd rece rech recr rect recu redc redd rede redh redo redr redu reed reet rehe reht reod reot reou rerd rere rero rert reru retd rete reth reto retr rett reue reut reuu rhce rhee rheo rhet rhoc rhod rhoh rhue rocc roce roch roco rodd rode rodo roed roer roet rohe rohr rohu rood roor root rorc rore roro rort roru rotc rote roth roto rotr rott roud roue rouh rout rred rrrr rtcc rtce rtdt rtee ruce ruch ruct rudd rude rudo rued ruer ruet ruhe ruhh ruhr rurc rurd rure ruro ruru rute ruth ruto rutt rutu ruud tccc tccu tcdd tch- tche tchh tcho tchr tchu tctc tdor tech teco tecr tect tedd tede teec teed teer teet teho tehr teoh teor ter- terc tere tero terr teru tete teth teto tetr tett tetu teut thch thdr the- thec thed thee theo ther thet theu thoe thoo thor thot thou thre thro thru thtr thud thue thur toce toch toco todd tode todo todt todu toed toee toeh toer toet toho tohu tood tooh toor toot torc tord tore toro torr tort toru totc totd tote toth toto totr tott touh tour tout trcc tre- trec tred tree treo tret treu troc trod troe troo trot trou trtc trte trtr truc trud true trut truu tteo tter ttoe tttt tucc tuch tuco tude tudu tuer tuet tuht tuhu tuor turc turd ture turo turr turt turu tute tuto tutt tutu tuuo ucdc ucdd uche ucho ucrc ucut uder udet udoh udoo udot uh-d uhde uher uhoh uhuh uocc uor- uore urch urde urdu ure- ured ureh uret urho uro- uroo urre urrh urte urth urur urut utec uter uthe utor utto uttu uuoc uuuu